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2022 in paleomalacology

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Overview of the events of 2022 in paleomalacology
List of years in paleomalacology
In science
2019
2020
2021
2022
2023
2024
2025
In paleontology
2019
2020
2021
2022
2023
2024
2025
In paleomammalogy
2019
2020
2021
2022
2023
2024
2025
In paleobotany
2019
2020
2021
2022
2023
2024
2025
In arthropod paleontology
2019
2020
2021
2022
2023
2024
2025
In paleoentomology
2019
2020
2021
2022
2023
2024
2025
In paleoichthyology
2019
2020
2021
2022
2023
2024
2025
In reptile paleontology
2019
2020
2021
2022
2023
2024
2025
In archosaur paleontology
2019
2020
2021
2022
2023
2024
2025

This list of fossil molluscs described in 2022 is a list of new taxa of fossil molluscs that were described during the year 2022, as well as other significant discoveries and events related to molluscan paleontology that occurred in 2022.

Ammonites

New taxa

Name Novelty Status Authors Age Type locality Location Notes Images

Acanthohoplites albedocostatus

Sp. nov

In press

Matsukawa

Early Cretaceous

 Japan

Acantholytoceras costaevariavilis

Sp. nov

In press

Matsukawa

Early Cretaceous

 Japan

Aulatornoceras beyrichi

Sp. nov

Valid

Söte & Becker

Devonian (Frasnian)

Büdesheim Formation

 Germany

A member of the family Tornoceratidae. Announced in 2022; the final article version was published in 2023.

Buedesheimites

Gen. et sp. nov

Valid

Söte & Becker

Devonian (Frasnian)

Büdesheim Formation

 Germany

A member of the family Tornoceratidae. Genus includes new species B. housei. Announced in 2022; the final article version was published in 2023.

Cadoceras (Catacadoceras) imlayi

Sp. nov

Valid

Kiselev

Middle Jurassic (Callovian)

Chinitna Formation

 United States
( Alaska)

Cadoceras kniazevi

Sp. nov

Valid

Kiselev

Middle Jurassic (Callovian)

 Russia

Cadoceras (Paracadoceras) pseudofrearsi

Sp. nov

Valid

Kiselev

Middle Jurassic (Callovian)

 Russia

Cadomites zelenchukensis

Sp. nov

Valid

Mitta

Middle Jurassic (Bathonian)

 Russia
( Karachay-Cherkessia)

Collignoniceras rhodanicum

Sp. nov

Valid

Amédro, Baudouin & Delanoy in Amédro et al.

Late Cretaceous (Turonian)

 France

Crassotornoceras tenue

Sp. nov

Valid

Söte & Becker

Devonian (Frasnian)

Büdesheim Formation

 Germany

A member of the family Tornoceratidae. Announced in 2022; the final article version was published in 2023.

Crioceratites tepehuaensis

Sp. nov

Valid

Esquivel-Macías et al.

Early Cretaceous

 Mexico

Cryptomorphiceras

Gen. et comb. et 2 sp. nov

Valid

Marchesi, Balini & Jenks

Late Triassic (Carnian)

 United States
( Nevada)

A member of Trachyceratinae. The type species is C. compressum (Johnston, 1941); genus also includes new species C. crassum, and C. levicostatum. Announced in 2022; the final article version was published in 2023.

Dactylioceras kopiki

Sp. nov

Valid

Rogov in Rogov & Lutikov

Early Jurassic (Toarcian)

 Canada
( Northwest Territories)
 Norway
 United States
( Alaska)
 Russia?

A member of the family Dactylioceratidae.

Diplesioceras fischeri

Sp. nov

Valid

Dietze, Schweigert & Chandler

Middle Jurassic (Bajocian)

Oolithe de Bayeux Formation

 France

Egoianites jauberti

Sp. nov

Valid

Delanoy et al.

Early Cretaceous (Barremian)

 France

A member of the family Heteroceratidae.

Epitornoceras transmediterraneum

Sp. nov

Valid

Korn & Bockwinkel

Devonian (Givetian)

 Morocco

A member of the family Tornoceratidae.

Forresteria (Harleites) seidli

Sp. nov

Valid

Summesberger et al.

Late Cretaceous (Santonian)

Gosau Group
(Streiteck Formation)

 Austria

Heteroceras arnaudi

Sp. nov

Valid

Delanoy et al.

Early Cretaceous (Barremian)

 France

A member of the family Heteroceratidae.

Heteroceras munierchalmasi

Sp. nov

Valid

Delanoy et al.

Early Cretaceous (Barremian)

 France

A member of the family Heteroceratidae.

Heteroceras penagei

Sp. nov

Valid

Delanoy et al.

Early Cretaceous (Barremian)

 France

A member of the family Heteroceratidae.

Hildoceras appenninicus

Sp. nov

Valid

Ridente

Early Jurassic (Toarcian)

 Italy

Kepplerites (Gowericeras) copernici

Sp. nov

Valid

Mönnig & Dietl

Middle Jurassic (Callovian)

 Germany

Kepplerites (Gowericeras) halleyi

Sp. nov

Valid

Mönnig & Dietl

Middle Jurassic (Callovian)

 France
 Germany
 Russia
( Kostroma Oblast)

Kepplerites (Toricellites) besseli

Sp. nov

Valid

Mönnig & Dietl

Middle Jurassic (Callovian)

 Germany

Kutatissites sudai

Sp. nov

In press

Matsukawa

Early Cretaceous

 Japan

Lentitornoceras

Gen. et sp. nov

Valid

Korn & Bockwinkel

Devonian (Givetian)

Red Ironstone Formation

 Germany

A member of the family Tornoceratidae. The type species is L. materni.

Linguatornoceras acutilobatum

Sp. nov

Valid

Söte & Becker

Devonian (Frasnian)

Büdesheim Formation

 Germany

A member of the family Tornoceratidae. Announced in 2022; the final article version was published in 2023.

Linguatornoceras sandense

Sp. nov

Valid

Söte & Becker

Devonian (Frasnian)

Büdesheim Formation

 Germany

A member of the family Tornoceratidae. Announced in 2022; the final article version was published in 2023.

Lissoceras kubanense

Sp. nov

Valid

Mitta

Middle Jurassic (Bajocian)

 Russia
( Karachay-Cherkessia)

Lissoceras paviai

Sp. nov

Valid

Mitta

Middle Jurassic (Bajocian)

 Russia
( Karachay-Cherkessia)

Megatyloceras leteilensis

Sp. nov

Valid

Delanoy et al.

Early Cretaceous (Aptian)

 France

A member of the family Douvilleiceratidae.

Nejdia arabica

Sp. nov

Valid

Gelin

Early Jurassic (Toarcian)

Marrat Formation

 Saudi Arabia

Paracrochordiceras watanabei

Sp. nov

Valid

Ehiro

Middle Triassic (Anisian)

Fukkoshi Formation

 Japan

A member of the family Acrochordiceratidae.

Paradanubites ozashiense

Sp. nov

Valid

Ehiro

Middle Triassic (Anisian)

Fukkoshi Formation

 Japan

A member of Danubitoidea belonging to the family Danubitidae.

Parahedenstroemia? tatjanae

Sp. nov

Valid

Đaković, Krystyn & Sudar

Early Triassic

 Montenegro
 Russia?

A member of the family Hedenstroemiidae.

Parapopanoceras involutum

Sp. nov

Valid

Ehiro

Middle Triassic (Anisian)

Fukkoshi Formation

 Japan

A member of Ceratitida belonging to the group Megaphyllitoidea and the family Parapopanoceratidae.

Paucitornoceras

Gen. et comb. nov

Valid

Korn & Bockwinkel

Devonian

Red Ironstone Formation

 Germany
 United States
( New York)

A member of the family Tornoceratidae. The type species is "Goniatites" paucistriatus d`Archiac & de Verneuil (1842); genus also includes "Tornoceras" rhysum Clarke (1898).

Ponticeras materni

Sp. nov

Valid

Korn & Bockwinkel

Devonian (Givetian)

Red Ironstone Formation

 Germany

A member of Agoniatitida belonging to the group Gephuroceratina and the family Ponticeratidae.

Procheloniceras yajimai

Sp. nov

In press

Matsukawa

Early Cretaceous

 Japan

Pseudocrioceras mazierei

Sp. nov

Valid

Frau & Delanoy

Early Cretaceous (Barremian/Aptian transition)

 France

Pseudosaynella pacifica

Sp. nov

In press

Matsukawa

Early Cretaceous

 Japan

Psilokhvalynites

Gen. et sp. nov

Valid

Ehiro

Middle Triassic (Anisian)

Fukkoshi Formation

 Japan

A member of Dinaritoidea belonging to the family Khvalynitidae. The type species is P. takaizumii.

Shasticrioceras nakazawai

Sp. nov

In press

Matsukawa

Early Cretaceous

 Japan

Sigaloceras (Gulielmina) fabricius

Sp. nov

Valid

Mönnig & Dietl

Middle Jurassic (Callovian)

 Germany

Tornoceras incisum

Sp. nov

Valid

Söte & Becker

Devonian (Frasnian)

Büdesheim Formation

 Germany

A member of the family Tornoceratidae. Announced in 2022; the final article version was published in 2023.

Tornoceras ventrovaricatum

Sp. nov

Valid

Söte & Becker

Devonian (Frasnian)

Büdesheim Formation

 Germany

A member of the family Tornoceratidae. Announced in 2022; the final article version was published in 2023.

Witchellia companyi

Sp. nov

Valid

Sandoval

Middle Jurassic (Bajocian)

 Spain

A member of the family Sonniniidae.

Witchellia striata

Sp. nov

Valid

Sandoval

Middle Jurassic (Bajocian)

 Spain

A member of the family Sonniniidae.

Ammonite research

  • Mironenko & Naugolnykh (2022) describe a collection of cephalopod jaws from the Permian (Artinskian) Divjinskian Formation (Sverdlovsk Oblast, Russia), interpreted as likely fossil material of goniatitid ammonites belonging to the genus Uraloceras, and infer from the anatomy of the studied jaws that representatives of the genus Uraloceras were likely active predators.
  • A study on the morphological change through ontogeny of beyrichitine ammonites from the Anisian of Nevada is published by Bischof, Schlüter & Lehmann (2022).
  • A study aiming to determine whether the environmental changes around the Triassic–Jurassic boundary influenced development of septal thickness in ammonites, as well aiming to determine the relation between septal thickness and paleolatitudinal occurrences, and whether ontogenetic septal thickness-trajectories reflected paleogeographic origin or phylogenetic relationships of ammonites, is published by Weber et al. (2022).
  • A study on the hydrodynamic properties of shells of Late Triassic and Early Jurassic ammonites is published by Hebdon et al. (2022).
  • A study on the functional morphology of ammonites from the Middle Triassic to the Early Jurassic, reevaluating possible causes of an overall shift of ammonite shell forms during the studied periods, is published by Hebdon et al. (2022), who interpret their findings as indicating that the trade-offs between coasting efficiency, volume accretion per unit surface area accreted and diameter accretion per unit of surface area (three factors proposed as explanations of the shift of shell forms) were identical in the Triassic and in the Jurassic.
  • Jaws of ammonites belonging to the Boreal family Polyptychitidae, with lower jaws closely resembling jaws of craspeditids, cardioceratids and hoplitoids, are described for the first time from the Valanginian of Russia by Mironenko & Mitta (2022).
  • A study on changes of septal spacing between succeeding chambers of the shell of Gaudryceras tenuiliratum during its ontogeny is published by Kawakami, Uchiyama & Wani (2022).
  • A study on the impact of the conch shape on ammonite locomotion, based on data obtained from tests of 3D-printed, biomimetic robots representing the oxycone morphology (based on Sphenodiscus lobatus and S. lenticularis), the serpenticone morphology (based on Dactylioceras commune), the sphaerocone morphology (based on Goniatites crenistria) and the morphospace center, is published by Peterman & Ritterbush (2022).

Other cephalopods

New taxa

Name Novelty Status Authors Age Type locality Location Notes Images

Aphelaeceras azzelmattiense

Sp. nov

Valid

Korn & Bockwinkel

Carboniferous (TournaisianViséan boundary interval)

 Algeria

A member of the family Trigonoceratidae.

Arctoteuthis angusta

Sp. nov

Valid

Efremenko

Early Cretaceous

 Russia

A belemnite belonging to the family Cylindroteuthididae.

Binoleniceras

Gen. et sp. nov

Valid

Afhüppe & Becker

Devonian (Givetian)

Hagen-Balve Formation

 Germany

A member of Discosorida belonging to the family Entimoceratidae. The type species is B. stichlingi.

Boreioteuthis mirifica

Sp. nov

Valid

Efremenko

Early Cretaceous

 Russia

A belemnite belonging to the family Cylindroteuthididae.

Chisiloceras maocaopuense

Sp. nov

Valid

Fang in Fang et al.

Ordovician (Darriwilian)

 China

A member of the family Endoceratidae.

Domatoceras tuckeri

Sp. nov

Valid

Niko, Mapes & Seuss

Carboniferous (late Pennsylvanian)

Graham Formation

 United States
( Texas)

A member of the family Grypoceratidae.

Endolobus sturgeoni

Sp. nov

Valid

Niko, Mapes & Seuss

Carboniferous (late Pennsylvanian)

Graham Formation

 United States
( Texas)

A member of the family Koninckioceratidae.

Enoploceras rieberi

Sp. nov

Valid

Pieroni

Middle Triassic (Anisian)

Besano Formation

  Switzerland

Eximioceras

Gen. et sp. nov

Valid

Shchedukhin

Early Permian

 Russia
( Bashkortostan)

A member of the family Rhiphaeoceratidae. The type species is E. venustum.

Holmiceras havelense

Sp. nov

Valid

Aubrechtová & Korn

Ordovician (Darriwilian)

Upper Red Orthoceratite Limestone

 Germany

Kotoceras minosiphonatum

Sp. nov

Valid

Fang in Fang et al.

Ordovician (Darriwilian)

 China

A member of the family Endoceratidae.

Lispoceras orbis

Sp. nov

Valid

Korn, Miao & Bockwinkel

Early Carboniferous

 Algeria

A member of the family Trigonoceratidae.

Lituites baculus

Sp. nov

Valid

Aubrechtová & Korn

Middle Ordovician

 Sweden

Lituites bottkei

Sp. nov

Valid

Aubrechtová & Korn

Middle Ordovician

 Poland
 Sweden

Lituites clavis

Sp. nov

Valid

Aubrechtová & Korn

Ordovician (Darriwilian)

Upper Grey Orthoceratite Limestone

 Germany

Lituites dewitzi

Sp. nov

Valid

Aubrechtová & Korn

Ordovician (Darriwilian)

Upper Grey Orthoceratite Limestone

 Germany

Lituites kruegeri

Sp. nov

Valid

Aubrechtová & Korn

Ordovician (Darriwilian)

Upper Grey Orthoceratite Limestone

 Germany

Lituites nebeni

Sp. nov

Valid

Aubrechtová & Korn

Ordovician (Darriwilian)

Upper Grey Orthoceratite Limestone

 Germany

Maccoyoceras concavum

Sp. nov

Valid

Korn & Bockwinkel

Carboniferous (Tournaisian–Viséan boundary interval)

 Algeria

A member of the family Trigonoceratidae.

Maccoyoceras habadraense

Sp. nov

Valid

Korn & Bockwinkel

Carboniferous (Tournaisian)

 Algeria

A member of the family Trigonoceratidae.

Maccoyoceras pentagonum

Sp. nov

Valid

Korn, Miao & Bockwinkel

Early Carboniferous

 Algeria

A member of the family Trigonoceratidae.

Maccoyoceras saharensis

Sp. nov

Valid

Korn & Bockwinkel

Carboniferous (Tournaisian)

 Algeria

A member of the family Trigonoceratidae.

Metacoceras quadratum

Sp. nov

Valid

Niko, Mapes & Seuss

Carboniferous (late Pennsylvanian)

Graham Formation

 United States
( Texas)

A member of the family Tainoceratidae.

Michelinoceras minutum

Sp. nov

Valid

Fang in Fang et al.

Ordovician (Darriwilian and Sandbian)

 China

Michelinoceras multiseptum

Sp. nov

Valid

Fang in Fang et al.

Ordovician (Darriwilian)

 China

Pararhiphaeoceras parvum

Sp. nov

Valid

Shchedukhin

Early Permian

 Russia
( Bashkortostan)

A member of the family Rhiphaeoceratidae.

Planetoceras destrictum

Sp. nov

Valid

Korn, Miao & Bockwinkel

Early Carboniferous

 Algeria

A member of the family Trigonoceratidae.

Planetoceras transforme

Sp. nov

Valid

Korn, Miao & Bockwinkel

Early Carboniferous

 Algeria

A member of the family Trigonoceratidae.

Pleuronautilus chisatoi

Sp. nov

Valid

Ehiro

Permian (Wordian)

Takakurayama Formation

 Japan

A member of the family Tainoceratidae.

Proterovaginoceras rapidum

Sp. nov

Valid

Fang in Fang et al.

Ordovician (Darriwilian)

 China

A member of the family Endoceratidae.

Rhynchorthoceras kranepuhlense

Sp. nov

Valid

Aubrechtová & Korn

Ordovician (Darriwilian)

Upper Red Orthoceratite Limestone

 Germany
 Poland

Rhynchorthoceras rugium

Sp. nov

Valid

Aubrechtová & Korn

Ordovician (Darriwilian)

Upper Red Orthoceratite Limestone

 Germany

Rineceras multituberculatum

Sp. nov

Valid

Korn, Miao & Bockwinkel

Early Carboniferous

 Algeria

A member of the family Trigonoceratidae.

Rineceras rectangulatum

Sp. nov

Valid

Korn, Miao & Bockwinkel

Early Carboniferous

 Algeria

A member of the family Trigonoceratidae.

Rineceras tenerum

Sp. nov

Valid

Korn & Bockwinkel

Carboniferous (Tournaisian)

 Algeria

A member of the family Trigonoceratidae.

Solenochilus jackense

Sp. nov

Valid

Niko, Mapes & Seuss

Carboniferous (late Pennsylvanian)

Graham Formation

 United States
( Texas)

A member of the family Solenochilidae.

Stroboceras ancilis

Sp. nov

Valid

Korn & Bockwinkel

Carboniferous (Viséan)

 Algeria

A member of the family Trigonoceratidae.

Stroboceras mane

Sp. nov

Valid

Korn & Bockwinkel

Carboniferous (Tournaisian)

 Algeria

A member of the family Trigonoceratidae.

Stroborineceras

Gen. et 2 sp. nov

Valid

Korn & Bockwinkel

Carboniferous (Tournaisian)

 Algeria

A member of the family Trigonoceratidae. The type species is S. insalahensis; genus also includes new species S. felis and possibly also "Nautilus (Trematodiscus)" meekianus Winchell (1862) and "Nautilus (Trematodiscus)" strigatus Winchell (1862).

Syllipsimopodi

Gen. et sp. nov

Disputed

Whalen & Landman

Carboniferous (Serpukhovian)

Bear Gulch Limestone

 United States
( Montana)

A member of Coleoidea of uncertain affinities. Originally assigned to the clade Vampyropoda; Klug et al. (2023) considered it to be a probable junior synonym of Gordoniconus beargulchensis. The type species is S. bideni, named for Joe Biden.

Thrincoceras devolvere

Sp. nov

Valid

Korn, Miao & Bockwinkel

Early Carboniferous

 Algeria

A member of the family Trigonoceratidae.

Tohokubelus

Gen. et sp. nov

Valid

Niko & Ehiro

Early Triassic (Olenekian)

Osawa Formation

 Japan

A sinobelemnitid belemnite. Genus includes new species T. takaizumii.

Trilacinoceras filix

Sp. nov

Valid

Aubrechtová & Korn

Ordovician (Darriwilian)

Upper Grey Orthoceratite Limestone

 Germany

A member of the family Lituitidae.

Trilacinoceras knoefleri

Sp. nov

Valid

Aubrechtová & Korn

Ordovician (Darriwilian)

Upper Grey Orthoceratite Limestone

 Germany

A member of the family Lituitidae.

Trilobitoceras

Gen. et sp. et comb. nov

Valid

Korn & Bockwinkel

Carboniferous

 Algeria
 United States
( Michigan)

A member of the family Trigonoceratidae. The type species is T. peculiaris; genus also includes "Nautilus (Trematodiscus)" planidorsalis Winchell (1862).

Vestinautilus angulatus

Sp. nov

Valid

Korn & Bockwinkel

Carboniferous (Tournaisian)

 Algeria

A member of the family Trigonoceratidae.

Vestinautilus bicristatus

Sp. nov

Valid

Korn & Bockwinkel

Carboniferous (Tournaisian)

 Algeria

A member of the family Trigonoceratidae.

Vestinautilus concinnus

Sp. nov

Valid

Korn, Miao & Bockwinkel

Early Carboniferous

 Algeria

A member of the family Trigonoceratidae.

Vestinautilus inflexus

Sp. nov

Valid

Korn & Bockwinkel

Carboniferous (Tournaisian)

 Algeria

A member of the family Trigonoceratidae.

Vestinautilus padus

Sp. nov

Valid

Korn, Miao & Bockwinkel

Early Carboniferous

 Algeria

A member of the family Trigonoceratidae.

Vestinautilus papilio

Sp. nov

Valid

Korn & Bockwinkel

Carboniferous (Tournaisian)

 Algeria

A member of the family Trigonoceratidae.

Xainzanoceras densum

Sp. nov

Valid

Fang in Fang et al.

Ordovician (Katian)

Pagoda Formation

 China

Possibly a member of the family Diestoceratidae.

Other cephalopod research

  • A study on the phylogenetic relationships of Cambrian and Ordovician cephalopods is published by Pohle et al. (2022).
  • Putative tentaculitoid Iwakiella ichiroi is reinterpreted as a sphaerorthoceratid orthocerid cephalopod by Niko (2022).
  • A study on the identity of enigmatic black amorphous fossils often associated with belemnoid remains, based on the analysis of fossil material from the Upper Triassic (Carnian) Polzberg Lagerstätte (Austria), is published by Lukeneder & Lukeneder (2022), who interpret the enigmatic fossils as likely representing the preservation of a mineralized and secondarily carbonized cephalic-ocular-arm-cartilage complex of the belemnoid Phragmoteuthis bisinuata.
  • A study on structures interpreted by Eduard Suess as beaks of Phragmoteuthis bisinuata is published by Doguzhaeva et al. (2022), who reinterpret the studied structures as cartilaginous remains of a prey, presumably juvenile fish; the authors also report a gladius of a previously unknown Carnian teuthid from the Cave del Predil (Italy), possibly similar to the Permian taxon Glochinomorpha stifeli, as well as an upper beak of a coleoid from the Anisian Buchenstein Formation (Italy), demonstrating typical coleoid upper beak morphology and composition, and interpreted by the authors as likely indicative of similar upper beak structure in P. bisinuata. Their interpretation of purported beaks of P. bisinuata as remains of a prey is subsequently contested by Lukeneder & Lukeneder (2022).
  • Belemnite species Liobelus acrei, otherwise known from the latest Jurassic and Early Cretaceous of the Boreal Realm, is reported from the Valanginian of the Vocontian Basin (France) by Mutterlose, Picollier & Dzyuba (2022), who interpret this finding as evidence of an isolated immigration of belemnites from the north in the early Valanginian, and establish two taxonomically different faunas of Tethyan belemnites.
  • A study on the age of belemnites from the lower Santonian "Sponge horizon" of the Mozhzhelloovrazhnaya Formation in the Lower Volga region between Saratov and Volgograd (Russia), some of which are interpreted as redeposited from middle and upper Coniacian deposits on the basis of strontium, carbon and oxygen isotope data (with the first representatives of the genus Belemnitella interpreted as late Coniacian in age), is published by Zakharov et al. (2022).
  • Revision of the type specimens of Eothinoceras americanum is published by Evans & Cichowolski (2022), who restrict the genus Eothinoceras to the type species, and propose a new scheme for classification of the genera belonging to the order Cyrtocerinida.
  • A study on the distribution of nautiloids throughout the Cenozoic is published by Kiel, Goedert & Tsai (2022), who interpret their findings as indicating that from the Oligocene onward nautiloids became extinct in areas where pinnipeds appeared, while cetaceans (with possible exception of simocetids and agorophiids) were not found to significantly affect the demise of nautiloids.
  • Fossil material of "Kummelonautilus" taiwanum is described from the Miocene Houdongkeng Formation (Taiwan) by Goedert, Kiel & Tsai (2022), who provisionally transfer this species to the genus Nautilus, and review the fossil record of the genus Nautilus in the Indo-Pacific region.
  • A study on the external and internal morphology, affinities and ecology of Vampyronassa rhodanica, based on data on soft tissue of specimens from the La Voulte-sur-Rhône (France), is published by Rowe et al. (2022).
  • First cephalopod statoliths from the Lower Cretaceous of Poland and United Kingdom are described by Pindakiewicz et al. (2022), who compare Mesozoic statoliths to those of extant cephalopods, and find the closest resemblance between Mesozoic forms and statoliths of extant idiosepiids.
  • A study on the fossil material of Belosaepia from the Egemkapel Clay Member of the Tielt Formation and the Roubaix Clay Member of the Kortrijk Formation (Belgium), applying micro-CT imaging to the studied fossils, is published by Goolaerts et al. (2022), who identify growth lines in the studied fossils, and interpret their findings as indicating that the studied material belongs to representatives of a single species (B. tricarinata).

Bivalves

New taxa

Name Novelty Status Authors Age Type locality Location Notes Images

Acila (Truncacila) interferencia

Sp. nov

Valid

Kiel et al.

Miocene

Amlang Formation

 Philippines

A species of Acila.

Anniedhondtella

Gen. et sp. nov

Valid

Jagt, Cooper & Jagt-Yazykova

Late Cretaceous (Maastrichtian)

Maastricht Formation

A member of Trigoniida belonging to the family Rutitrigoniidae. Genus includes new species A. rieui.

Aphanaia sobopolensis

Sp. nov

Valid

Biakov & Kutygin

Early Permian

 Russia
( Sakha)

Arcopagia esteponensis

Sp. nov

Valid

Brunetti & Della Bella

Pliocene

 Spain

A member of the family Tellinidae.

Arcopagia ligustica

Sp. nov

Valid

Brunetti & Della Bella

Early Pliocene

 Italy

A member of the family Tellinidae.

Arcopella crestii

Sp. nov

Valid

Brunetti & Della Bella

Late Pliocene

 Italy

A member of the family Tellinidae.

Arcopella pseudomista

Sp. nov

Valid

Brunetti & Della Bella

Early Pliocene

 Italy

A member of the family Tellinidae.

Bathymodiolus labayugensis

Sp. nov

Valid

Kiel et al.

Miocene

Amlang Formation

 Philippines

A species of Bathymodiolus.

Choniocardia olivieri

Nom. nov

Valid

Pacaud

Eocene

 France

A member of the family Carditidae; a replacement name for Cardita (Miodon) bezanconi Cossmann (1887).

Conchocele pangasinanensis

Sp. nov

Valid

Kiel et al.

Miocene

Amlang Formation

 Philippines

A member of the family Thyasiridae.

Crassatella (Bathytormus) ignava

Sp. nov

Valid

Berezovsky

Eocene

Malinovskaya Formation

 Ukraine

A member of the family Crassatellidae.

Crassatella lassa

Sp. nov

Valid

Berezovsky

Late Eocene

 Ukraine

Crassostrea sophiae

Nom. nov

Valid

Pacaud

Eocene

 France

A species of Crassostrea; a replacement name for Ostrea elegans Deshayes (1832).

Cyclotellina hugoi

Nom. nov

Valid

Pacaud

Eocene

 France

A member of the family Tellinidae; a replacement name for Tellina (Cyclotellina) bezanconi Cossmann (1906).

Gryphaea (Gryphaea) lavernockensis

Sp. nov

Valid

Hodges

Early Jurassic

 United Kingdom

Kasimlara ? antiqua

Sp. nov

Valid

Fang & Carter

Permian

 Russia

A member of the family Kalenteridae belonging to the subfamily Healeyinae.

Liaoningoconcha

Nom. nov

Fang & Carter

Late Triassic

Yangcaogou Formation

 China

A member of Cardiida belonging to the family Ferganoconchidae; a replacement name for Liaoningia Yu & Dong (1993). Ceccolini & Cianferoni (2021) proposed a replacement name Sinoliaoningia for the same genus in an earlier publication.

Megaxinus gorrospei

Sp. nov

Valid

Kiel et al.

Miocene

Amlang Formation

 Philippines

A member of the family Lucinidae.

Meleagrinella golberti

Sp. nov

Valid

Lutikov & Arp

Early Jurassic (Toarcian)

 Canada
 Germany
 Russia
 United Kingdom

A member of the family Oxytomidae. Published online in 2023, but the issue date is listed as December 2022.

Meleagrinella prima

Sp. nov

Valid

Lutikov in Lutikov & Arp

Early Jurassic (Toarcian)

 Russia

A member of the family Oxytomidae. Published online in 2023, but the issue date is listed as December 2022.

Monginaia

Gen. et comb. nov

In press

Delvene et al.

Early Cretaceous (Barremian)

Camarillas Formation

 Spain

A member of Unionida belonging to the new family Monginaiidae. Genus includes "Elliptio" galvensis Mongin (1966).

Myonia komiensiformis

Sp. nov

Valid

Biakov

Permian

 Russia

A member of Pholadomyida belonging to the family Sanguinolitidae.

Myonia kutygini

Sp. nov

Valid

Biakov

Permian

 Russia

A member of Pholadomyida belonging to the family Sanguinolitidae.

Oudardia pliorecens

Sp. nov

Valid

Brunetti & Della Bella

Plio-Pleistocene

 Italy

A member of the family Tellinidae.

Palaeomutela (Palaeanodonta) berrutii

Sp. nov

Valid

Silantiev et al.

Permian (Kungurian)

Collio Formation

 Italy

A member of Actinodontida belonging to the family Palaeomutelidae.

Palaeomutela (Palaeanodonta) guncinaensis

Sp. nov

Valid

Silantiev et al.

Permian (Kungurian)

Guncina Formation

 Italy

A member of Actinodontida belonging to the family Palaeomutelidae.

Peronidia iberica

Sp. nov

Valid

Brunetti & Della Bella

Early Pliocene

 Spain

A member of the family Tellinidae.

Peronidia intermedia

Sp. nov

Valid

Brunetti & Della Bella

Early Pliocene

 Italy

A member of the family Tellinidae.

Pliocardia ballesterosi

Sp. nov

Valid

Kiel et al.

Miocene

Amlang Formation

 Philippines

A species of Pliocardia.

Praebarrettia magnifica

Sp. nov

Mitchell

Late Cretaceous (Campanian)

Dry Hill Formation

 Jamaica

A rudist bivalve.

Psammotreta santacatalinae

Sp. nov

Valid

Brunetti & Della Bella

Early Pliocene

 Spain

A member of the family Tellinidae.

Sisonia

Gen. et sp. nov

Valid

Kiel et al.

Miocene

Amlang Formation

 Philippines

A bivalve of uncertain affinities. The type species is S. frijellanae.

Squiresica

Gen. et comb. nov

Valid

Hybertsen, Goedert & Kiel

Oligocene

Lincoln Creek Formation

 United States
( Alaska
 Washington)

A member of the family Vesicomyidae. The type species is "Archivesica" knapptonensis Amano & Kiel (2007); genus also includes "Archivesica" marincovichi Kiel & Amano (2010).

Verneuilnodon

Gen. et comb. nov

Valid

Fang & Carter

Permian

 Russia

A member of the family Kalenteridae belonging to the subfamily Healeyinae; a new genus for "Mytilus (Modiola)" pallasi de Verneuil (1845).

Whitfieldiella catherinei

Sp. nov

Mitchell

Late Cretaceous (Campanian)

Dry Hill Formation

 Jamaica

A rudist bivalve.

Whitfieldiella gracilis

Sp. nov

Mitchell

Late Cretaceous (Campanian)

Dry Hill Formation

 Jamaica

A rudist bivalve.

Wolfgangella

Gen. et 2 sp. nov

Valid

Jagt, Cooper & Jagt-Yazykova

Late Cretaceous (Maastrichtian)

Maastricht Formation

A member of Trigoniida belonging to the family Rutitrigoniidae. Genus includes new species W. neilpearti and W. ignota.

Bivalve research

  • Late Triassic bivalves are identified for the first time in olistostromes from the Sêwa Formation in the Riganpeicuo area (Tibet, China) by Xiao et al. (2022).
  • A study on the impact of the Triassic–Jurassic extinction event on the body-size distribution of bivalves, based on data from three study sites in the United Kingdom, is published by Opazo & Twitchett (2022).
  • Wolkenstein (2022) presents evidence of abundance and diversity in the color patterns of Pleuronectites laevigatus from the Middle Triassic Muschelkalk of Central Europe.
  • Asato, Nakayama & Imai (2022) study color patterns of freshwater bivalves from the Lower Cretaceous Kitadani Formation (Japan), providing evidence of the presence of similar shell color patterns in extant and Early Cretaceous bivalves.

Gastropods

New taxa

Name Novelty Status Authors Age Type locality Location Notes Images

Akburunella laminaris

Sp. nov

Valid

Guzhov

Miocene

 Russia

Published online in 2023, but the issue date is listed as December 2022.

Akburunella nefanda archaica

Ssp. nov

Valid

Guzhov

Miocene

 Russia

Published online in 2023, but the issue date is listed as December 2022.

Akburunella sinuosa

Sp. nov

Valid

Guzhov

Miocene

 Russia

Published online in 2023, but the issue date is listed as December 2022.

Akburunella spinosa

Sp. nov

Valid

Guzhov

Miocene

 Russia

Published online in 2023, but the issue date is listed as December 2022.

Ampezzopleura barremica

Sp. nov

Valid

Isaji, Haga & Kashiwagi

Early Cretaceous (Barremian)

Kimigahama Formation

 Japan

Angularia corallina

Sp. nov

Valid

Nützel et al.

Late Triassic (Rhaetian)

Oberrhät Formation

 Austria

A member of Caenogastropoda belonging to the family Purpuroideidae.

Angulomphalus senowbarii

Sp. nov

Valid

Nützel et al.

Late Triassic (Rhaetian)

Oberrhät Formation

 Austria

A member of Vetigastropoda belonging to the family Ptychomphalidae.

Anisocycla subcylindrica

Sp. nov

Valid

Pavia et al.

Pliocene

 Italy

A member of the family Murchisonellidae.

Antiphora aurora

Sp. nov

Valid

Isaji, Haga & Kashiwagi

Early Cretaceous (Barremian)

Kimigahama Formation

 Japan

Aplexa canculae

Sp. nov

Valid

Pacaud

Paleocene (Thanetian)

 France

A species of Aplexa.

Aplexa cotiensis

Nom. nov

Valid

Pacaud

Eocene

 France

A species of Aplexa; a replacement name for Physa (Aplecta) brevispirata Cossmann & Pissarro (1913).

Aplexa iota

Sp. nov

Valid

Pacaud

Paleogene

 France

A species of Aplexa.

Aplexa oryza

Sp. nov

Valid

Pacaud

Paleogene

 France

A species of Aplexa.

Aplexa risleius

Sp. nov

Valid

Pacaud

Paleocene (Thanetian)

 France

A species of Aplexa.

Aplexa zhui

Nom. nov

Valid

Pacaud

Early Cretaceous (Albian)

Dalazi Formation

 China

A species of Aplexa; a replacement name for Physa fusiformis Zhu (1980).

Arachnotropis

Gen. et comb. nov

Valid

Pérez, Ferrari & Ezcurra

Paleocene–Eocene

Antarctica
 Australia

A member of the family Eucyclidae. The type species is "Calliotropis" microglyptophorus Darragh (1997); genus also includes "Calliotropis" antarchais Stilwell (2005).

Archaeocyclotus brevivillosus

Sp. nov

In press

Bichain et al.

Cretaceous

Burmese amber

 Myanmar

A member of the family Cyclophoridae.

Archaeostylus

Gen. et sp. nov

Valid

Brook & Hayward

Pliocene (Waipipian)

Kaawa Formation

 New Zealand

A member of the family Bothriembryontidae belonging to the subfamily Placostylinae. The type species is A. manukauensis.

Astralium ena

Sp. nov

Valid

Tomida, Inoue & Kase

Miocene

Ena Limestone

 Japan

A species of Astralium.

Austrocypraea jimgracei

Sp. nov

Valid

Southgate & Roberts

Pliocene

 Australia

A member of the family Cypraeidae.

Barycypraea iungo

Sp. nov

Valid

Seccombe & Aiken

Pleistocene

 South Africa

A species of Barycypraea.

Bathrotomaria teodorii

Sp. nov

Valid

Chaix in Chaix & Plicot

Late Cretaceous (Santonian)

 France

A member of the family Pleurotomariidae.

Baylea tenera

Sp. nov

Valid

Karapunar et al.

Carboniferous (Pennsylvanian)

Boggy Formation

 United States
( Oklahoma)

A member of the family Eotomariidae.

Brachystomia succineiformis

Sp. nov

Valid

Guzhov

Miocene

 Russia

A species of Brachystomia. Published online in 2023, but the issue date is listed as December 2022.

Ceritella convexa

Sp. nov

Valid

Gründel et al.

Late Jurassic (Kimmeridgian)

 Germany

A member of the family Ceritellidae.

Choshipleura

Gen. et sp. nov

Valid

Isaji, Haga & Kashiwagi

Early Cretaceous (Barremian)

Kimigahama Formation

 Japan

Genus includes new species C. striata.

Clathromangelia acuticostata

Sp. nov

Valid

Landau, Harzhauser & Giannuzzi-Savelli

Pliocene (Piacenzian)

 Spain

A species of Clathromangelia.

Clathromangelia mulderi

Sp. nov

Valid

Landau, Harzhauser & Giannuzzi-Savelli

Pliocene (Piacenzian)

 Spain

A species of Clathromangelia.

Clathromangelia oliverioi

Sp. nov

Valid

Landau, Harzhauser & Giannuzzi-Savelli

Pliocene (Piacenzian)

 Spain

A species of Clathromangelia.

"Clavatula" ariejansseni

Sp. nov

Valid

Harzhauser, Landau & Janssen

Miocene (Serravallian)

Týrtar Formation

 Turkey

A member of the family Clavatulidae.

"Clavatula" atatuerki

Sp. nov

Valid

Harzhauser, Landau & Janssen

Miocene (Serravallian)

Týrtar Formation

 Turkey

A member of the family Clavatulidae.

"Clavatula" iberica

Sp. nov

Valid

Landau & Harzhauser

Pliocene (Piacenzian)

 Spain

A member of the family Clavatulidae.

"Clavatula" irisae

Sp. nov

Valid

Harzhauser, Landau & Janssen

Miocene (Langhian)

Baden Formation

 Austria
 Slovenia

A member of the family Clavatulidae.

"Clavatula" jarzynkae

Nom. nov

Valid

Harzhauser, Landau & Janssen

Miocene (Langhian)

Grund Formation

 Austria
 Poland

A member of the family Clavatulidae; a replacement name for Clavatula auingeri Finlay (1927).

"Clavatula" nana

Sp. nov

Valid

Landau & Harzhauser

Pliocene (Piacenzian)

 Spain

A member of the family Clavatulidae.

"Clavatula" pliogradata

Sp. nov

Valid

Landau & Harzhauser

Pliocene (Piacenzian)

 Spain

A member of the family Clavatulidae.

Clavatula sorini

Sp. nov

Valid

Harzhauser, Landau & Janssen

Miocene (Langhian)

Dej Formation

 Romania
 Italy?

A species of Clavatula.

Clithon cooncreekense

Sp. nov

Valid

Garvie & Symonds

Late Cretaceous (Maastrichtian)

Coon Creek Formation

 United States
( Tennessee)

A species of Clithon.

Clithon duomillias

Sp. nov

Valid

Garvie & Symonds

Eocene

Cook Mountain Formation

 United States
( Texas)

A species of Clithon.

Clithon lisae

Sp. nov

Valid

Garvie & Symonds

Eocene

Cook Mountain Formation

 United States
( Texas)

A species of Clithon.

Clithon traceyi

Sp. nov

Valid

Garvie & Symonds

Eocene

Cook Mountain Formation

 United States
( Texas)

A species of Clithon.

Columbellaria rara

Sp. nov

Valid

Gründel, Hostettler & Menkveld-Gfeller

Late Jurassic (Oxfordian)

St-Ursanne Formation

  Switzerland

A member of the family Colombellinidae.

Conotomaria lecatae

Sp. nov

Valid

Chaix & Grenier

Late Cretaceous (Campanian)

 France

A member of the family Pleurotomariidae.

Conus damianakisi

Sp. nov

Valid

Psarras, Merle & Koskeridou

Miocene (Tortonian)

 Greece

A species of Conus.

Conus davolii

Sp. nov

Valid

Psarras, Merle & Koskeridou

Miocene (Tortonian)

 Greece
 Italy
 Hungary?

A species of Conus.

Conus dellabellai

Sp. nov

Valid

Pavia et al.

Pliocene

 Italy

A species of Conus.

Conus ictini

Sp. nov

Valid

Psarras, Merle & Koskeridou

Miocene (Serravallian and Tortonian)

 Greece
 Turkey

A species of Conus.

Conus lauriatragei

Sp. nov

Valid

Psarras, Merle & Koskeridou

Miocene (Langhian to Tortonian)

 Greece
 Hungary

A species of Conus.

Conus moissettei

Sp. nov

Valid

Psarras, Merle & Koskeridou

Miocene (Tortonian)

 Greece

A species of Conus.

Conus villalvernensis

Sp. nov

Valid

Pavia et al.

Pliocene

 Italy

A species of Conus.

Coptocheilus kachinensis

Sp. nov

Yu, Zhuo & Páll-Gergely

Cretaceous

Burmese amber

 Myanmar

A species of Coptocheilus.

Cornirostra anistratenkorum umbilicaris

Ssp. nov

Valid

Guzhov

Miocene

 Russia

Published online in 2023, but the issue date is listed as December 2022.

Crepidula bellardii

Sp. nov

Valid

Pavia et al.

Pliocene

 Italy

A species of Crepidula.

Cretadiostoma

Gen. et 2 sp. nov

Yu, Zhuo & Páll-Gergely

Cretaceous

Burmese amber

 Myanmar

A member of the family Pupinidae. Genus includes new species C. caperatum and C. umbilicarinatum.

Cryptoptyxis? fortiter

Sp. nov

Valid

Gründel, Hostettler & Menkveld-Gfeller

Late Jurassic (Oxfordian)

St-Ursanne Formation

  Switzerland

A member of the family Maoraxidae.

Cyrillia clathrataeformis

Sp. nov

Valid

Landau, Harzhauser & Giannuzzi-Savelli

Pliocene (Piacenzian)

 Spain

A species of Cyrillia.

Cyrillia saldubensis

Sp. nov

Valid

Landau, Harzhauser & Giannuzzi-Savelli

Pliocene (Piacenzian)

 Spain

A species of Cyrillia.

Dentitriangularum

Gen. et sp. nov

Valid

Chaix in Chaix & Plicot

Late Cretaceous (Santonian)

 France

A member of the family Cypraeidae. The type species is D. pacaudi.

Diaugasma mediterranea

Sp. nov

Valid

Landau, Harzhauser & Giannuzzi-Savelli

Pliocene (Piacenzian)

 Spain

A species of Diaugasma.

Dictyotomaria turrisbabel

Sp. nov

Valid

Karapunar et al.

Carboniferous (Pennsylvanian)

Caddo Creek Formation

 United States
( Texas)

A member of the family Phymatopleuridae.

Diempterus? multicostatus

Sp. nov

Valid

Gründel, Hostettler & Menkveld-Gfeller

Late Jurassic (Oxfordian)

St-Ursanne Formation

  Switzerland

A member of the family Aporrhaidae.

Edrozeba

Gen. et 4 sp. et comb. nov

Valid

Guzhov

Miocene

 Russia

A member of the family Hydrobiidae. The type species is E. caeca; genus also includes new species E. angulata, E. minuta and E. striata, as well as "Hydrobia" enikalensis Kolesnikov (1935). Published online in 2023, but the issue date is listed as December 2022.

Eirlysella

Gen. et sp. et comb. nov

Valid

Karapunar et al.

Carboniferous (Pennsylvanian)

Boggy Formation

 United States
( Oklahoma)

A member of the family Luciellidae. The type species is E. buckhornensis; genus also includes "Trochus" hissingerianus de Koninck (1843), "Pleurotomaria" squamula Phillips (1836) and "Luciellina" ocultabanda Kues & Batten (2001).

Endoplocus acutus

Sp. nov

Valid

Gründel et al.

Late Jurassic (Kimmeridgian)

 Germany

A member of the family Nerineidae.

Endoplocus inflatus

Sp. nov

Valid

Gründel et al.

Late Jurassic (Kimmeridgian)

 Germany

A member of the family Nerineidae.

Ericusa ngayawang

Sp. nov

Valid

Yates

Miocene (Langhian)

Cadell Formation

 Australia

A species of Ericusa.

Exelissa ursannella

Sp. nov

Valid

Gründel, Hostettler & Menkveld-Gfeller

Late Jurassic (Oxfordian)

St-Ursanne Formation

  Switzerland

A member of Cerithioidea belonging to the family Cryptaulacidae.

Faureicerithium

Gen. et sp. nov

Valid

Chaix in Chaix & Plicot

Late Cretaceous (Santonian)

 France

A member of the family Campanilidae. The type species is F. bidentata.

Favartia plioelata

Sp. nov

Valid

Brunetti & Della Bella

Pliocene

 Italy

A species of Favartia.

Granulatocincta

Gen. et comb. et 3 sp. nov

Valid

Harzhauser, Landau & Janssen

Miocene and Pliocene

 Austria
 Bulgaria
 Czech Republic
 France
 Hungary
 Italy
 Romania
 Slovakia
 Spain
 Turkey

A member of the family Clavatulidae. The type species is "Pleurotoma" granulato-cincta Münster in Goldfuss (1841); genus also includes new species G. callim, G. theoderichi and G. pelliscrocodili, as well as "Pleurotoma (Clavatula)" angelae Hoernes & Auinger (1891), "Clavatula" contorta Švagrovský (1958), "Pleurotoma (Clavatula)" nataliae Hoernes & Auinger (1891), "Pleurotoma" schreibersi Hörnes (1854), "Clavatula" calcarai Bellardi (1877), "Clavatula" curionii Bellardi (1877), "Clavatula" pellegrinii Simonelli (1896), "Pleurotoma" sotterii Michelotti (1847), "Clavatula" turbinata Bellardi (1877), "Clavatula" turgidula Bellardi (1877), "Clavatula" vigolensis Bellardi (1877), "Clavatula" rugata Bellardi (1877), "Murex" rusticus Brocchi (1814), "Pleurotoma" capgrandi Tournouër (1873), "Pleurotoma" obtruta Millet (1865), "Clavatula" delgadoi Vera-Peláez & Lozano-Francisco (2001) and possibly "Clavatula" boreointerrupta Kautsky (1925).

Hologyra callosa

Sp. nov

Valid

Nützel et al.

Late Triassic (Rhaetian)

Oberrhät Formation

 Austria

A member of the family Neritopsidae.

Hydrobia neofrauenfeldi

Sp. nov

Valid

Guzhov

Miocene

 Russia

A species of Hydrobia. Published online in 2023, but the issue date is listed as December 2022.

Hydrobia orientalis

Sp. nov

Valid

Zhu

Late Permian

Wutonggou Formation

 China

A species of Hydrobia.

Iberellus colladoi

Sp. nov

Valid

Juárez-Ruiz & Altaba

Pliocene

 Spain

A species of Iberellus.

Itieroptygmatis cylindrata

Sp. nov

Valid

Gründel et al.

Late Jurassic (Kimmeridgian)

 Germany

A member of Nerineoidea belonging to the family Itieriidae.

Jenneria sandrae

Sp. nov

Valid

Daughenbaugh

Pleistocene (Chibanian)

Probably Bermont Formation

 United States
( Florida)

A species of Jenneria.

Leufroyia gradata

Sp. nov

Valid

Landau, Harzhauser & Giannuzzi-Savelli

Pliocene (Piacenzian)

 Spain

A species of Leufroyia.

Loriolotrema? nodosa

Sp. nov

Valid

Gründel, Hostettler & Menkveld-Gfeller

Late Jurassic (Oxfordian)

St-Ursanne Formation

  Switzerland

A member of the family Brachytrematidae.

Lyria estotiensis

Sp. nov

Valid

Bail, Ledon & Pacaud

Oligocene (Chattian)

 France

A species of Lyria.

Lyria lozoueti

Sp. nov

Valid

Bail, Ledon & Pacaud

Miocene (Aquitanian)

 France

A species of Lyria.

Maoristylus pliocenicus

Sp. nov

Valid

Brook & Hayward

Pliocene (Waipipian)

Kaawa Formation

 New Zealand

A member of the family Bothriembryontidae belonging to the subfamily Placostylinae.

Megaclavatula

Gen. et 2 sp. et comb. nov

Valid

Harzhauser, Landau & Janssen

Miocene

 Austria
 Czech Republic
 Hungary
 Poland
 Romania
 Slovakia
 Slovenia
 Ukraine
 Italy?

A member of the family Clavatulidae. The type species is M. grunerti; genus also includes new species M. pilleri, as well as "Pleurotoma (Clavatula)" amaliae Hoernes & Auinger (1891), "Pleurotoma (Clavatula)" antoniae Hoernes & Auinger (1891), "Pleurotoma (Clavatula)" evae Hoernes & Auinger (1891), "Pleurotoma" laevigatum Eichwald (1830), "Perrona" nemethi Kovács & Vicián (2021), "Pleurotoma" neudorfensis Schaffer (1898), "Pleurotoma tuberculosa" polonica Pusch (1837), "Pleurotoma (Clavatula) asperulata" var. subsculpta Schaffer (1912), "Pleurotoma" ernesti Toula (1901), "Pleurotoma" asperulata Lamarck (1822), Clavatula saubrigiana laurensii Peyrot (1931) and possibly "Pleurotoma (Clavatula)" szontaghi Strausz (1926), "Clavatula" taurofusulata Sacco (1890), "Clavatula" subdepressa Sacco (1890) and "Clavatula" tortonica Peyrot (1931).

Metacerithium boshuae

Sp. nov

Valid

Isaji, Haga & Kashiwagi

Early Cretaceous (Barremian)

Kimigahama Formation

 Japan

A member of the family Metacerithiidae.

Metalycaeus fossilis

Sp. nov

In press

Yu, Páll-Gergely & Salvador

Miocene

Zhangpu amber

 China

A species of Metalycaeus.

Microandonia

Gen. et sp. nov

Valid

Landau, Harzhauser & Giannuzzi-Savelli

Pliocene (Piacenzian)

 Spain

A member of the family Raphitomidae. The type species is M. minutissima.

Microdrillia plioserratula

Sp. nov

Valid

Landau & Harzhauser

Pliocene

 Italy
 Spain

A species of Microdrillia.

Microschiza rhaetica

Sp. nov

Valid

Nützel et al.

Late Triassic (Rhaetian)

Oberrhät Formation

 Austria

A member of the family Purpurinidae.

Mitromorpha (Mitrolumna) velerinensis

Sp. nov

Valid

Landau & Harzhauser

Pliocene

 Spain
 Italy?

A species of Mitromorpha.

Muricopsis landaui

Sp. nov

Valid

Merle in Merle, Garrigues & Pointier

Miocene

 Turkey

A species of Muricopsis.

Napaeus guanche

Sp. nov

In press

Miller et al.

Middle Pleistocene

 Spain
( Canary Islands)

A species of Napaeus.

Napaeus lipauges

Sp. nov

In press

Miller et al.

Middle Pleistocene

 Spain
( Canary Islands)

A species of Napaeus.

Narrimania saldubensis

Sp. nov

Valid

Landau & Mulder

Pliocene

 Spain

Neoperrona

Gen. et comb. et sp. nov

Valid

Harzhauser, Landau & Janssen

Miocene (Langhian)

 Croatia
 Hungary
 Italy

A member of the family Clavatulidae. The type species is "Perrona" harzhauseri Kovács & Vicián (2021); genus also includes new species N. zoltanorum, as well as "Clavatula" taurinensis Bellardi (1877).

Neridomus mccallae

Sp. nov

Valid

Garvie & Symonds

Early Cretaceous (Albian)

Edwards Formation

 United States
( Texas)

A member of the family Neridomidae.

Neridomus minutissimus

Sp. nov

Valid

Garvie & Symonds

Early Cretaceous (Albian)

Walnut Formation

 United States
( Texas)

A member of the family Neridomidae.

Nerinea donosa

Sp. nov

Valid

Gründel et al.

Late Jurassic (Kimmeridgian)

 Germany

A member of the family Nerineidae.

Neuburgensia

Gen. et comb. nov

Valid

Gründel, Hostettler & Menkveld-Gfeller

Late Jurassic (Oxfordian to Tithonian)

 Germany
  Switzerland

Possibly a member of Cerithioidea. The type species is "Gymnocerithium" concavum Janicke (1966); genus also includes "Cerithium" amabile Zittel (1873), "Gymnocerithium"? convexoconcavum Gründel, Keupp & Lang (2019), "Cerithium" crenato-cinctum Zittel (1873), "Cerithium" involvens Zittel (1873) and "Cerithium" perrotundum Cossmann (1913).

Nystia conoidalis

Sp. nov

Valid

Kadolsky & Morton

Oligocene (Rupelian)

 United Kingdom

A species of Nystia.

Odetta chirlii

Sp. nov

Valid

Pavia et al.

Pliocene

 Italy

A species of Odetta.

Odostomia caucasica

Sp. nov

Valid

Guzhov

Miocene

 Russia

A species of Odostomia. Published online in 2023, but the issue date is listed as December 2022.

Oleginina

Gen. et sp. et comb. nov

Valid

Harzhauser, Landau & Janssen in Landau, Harzhauser & Giannuzzi-Savelli

Miocene (Burdigalian to Tortonian)

 Austria
 Bosnia and Herzegovina
 Bulgaria
 Croatia
 Czech Republic
 Italy
 Moldova
 Poland
 Romania
 Slovakia
 Ukraine

A member of the family Clavatulidae. The type species is O. mandici; genus also includes "Pleurotoma (Clavatula)" agathae Hoernes & Auinger (1891), "Pleurotoma (Clavatula)" brigittae Hoernes & Auinger (1891), "Pleurotoma" doderleini Hörnes (1854), "Pleurotoma (Clavatula)" dorotheae Hoernes & Auinger (1891), "Pleurotoma" rumana Simionescu & Barbu (1940), Clavatula schreibersi szokolyensis Strausz (1960), "Pleurotoma" winterlingensis Quenstedt (1884), "Clavatula" aradasi Bellardi (1877), "Clavatula" baccifera Bellardi (1877), "Clavatula" consularis Bellardi (1877) and "Clavatula" stazzanensis Bellardi (1877). The original generic name was Olegia, but this name turned out to be preoccupied by Olegia Shaposhnikov (1979), necessitating the creation of a replacement name.

Oligoptyxis khorasanica

Sp. nov

Valid

Guzhov & Nazemi in Raisossadat et al.

Early Cretaceous (Aptian)

 Iran

A member of the family Nerineidae.

Ondina curta

Sp. nov

Valid

Pavia et al.

Pliocene

 Italy

A species of Ondina.

Ondina elongata

Sp. nov

Valid

Pavia et al.

Pliocene

 Italy

A species of Ondina.

Ondina pseudovitrea

Sp. nov

Valid

Pavia et al.

Pliocene

 Italy

A species of Ondina.

Ophieulima lobilloensis

Sp. nov

Valid

Landau & Mulder

Pliocene

 Spain

A species of Ophieulima.

Otostoma cattoi

Sp. nov

Valid

Garvie & Symonds

Early Cretaceous (Albian)

Edwards Formation

 United States
( Texas)

A member of the family Otostomidae.

Ovalotrema

Gen. et comb. nov

Valid

Gründel, Hostettler & Menkveld-Gfeller

Late Jurassic (Oxfordian)

 France
  Switzerland

A member of the family Brachytrematidae. The type species is "Turbo" cotteausius d'Orbigny (1853); genus might also include "Turbo" greppini De Loriol in De Loriol & Koby (1895).

Palaeoleuca edeni

Sp. nov

Valid

Pacaud

Paleocene (Thanetian) to Eocene (Ypresian)

 France

A member of the family Ellobiidae.

Palaeoleuca gradata

Sp. nov

Valid

Pacaud

Paleocene (Thanetian) to Eocene (Ypresian)

 France

A member of the family Ellobiidae.

Palaeoleuca hulvizensis

Nom. nov

Valid

Pacaud

Paleocene

 United Kingdom

A member of the family Ellobiidae; a replacement name for Auricula (Conovulus) pygmaea Morris (1854).

Paleothyca

Gen. et sp. nov

Valid

Forner, Domènech & Martinell

Early Cretaceous (Albian)

 Spain

A member of the family Eulimidae. The type species is P. quinionarii.

Panneritina

Gen. et comb. et sp. nov

In press

Salvador & Yu

Jurassic and Cretaceous

 China
 Myanmar

A member of the new family Neritidae. Genus includes Chinese species formerly assigned to the genus Mesoneritina ("M." crassa Pan, 1982, "M." dakangensis Pan, 1978, "M." gansuensis Yu & Guo, 1982, "M." nanshanensis Pan, 1984, "M." opima Yu, 1974, "M." pustula Pan, 1980), as well as new species P. ambrae from the Kachin amber.

Papuliscala spinosa

Sp. nov

Valid

Landau & Mulder

Pliocene

 Spain

A species of Papuliscala.

Paragoniozona ornata

Nom. nov

Valid

Karapunar et al.

Carboniferous (Pennsylvanian)

Lazy Bend Formation

 United States
( Texas)

A member of the family Phymatopleuridae; a replacement name for Pleurotomaria aspera Girty (1934).

Paragoniozona yanceyi

Sp. nov

Valid

Karapunar et al.

Carboniferous (Pennsylvanian)

Boggy Formation

 United States
( Oklahoma)

A member of the family Phymatopleuridae.

Perrona grossi

Nom. nov

Valid

Harzhauser, Landau & Janssen

Miocene (Langhian)

Florian Formation

 Austria

A species of Perrona; a replacement name for Pleurotoma (Clavatula) auingeri Hilber (1879).

Perrona ilonae

Nom. nov

Valid

Harzhauser, Landau & Janssen

Miocene (Langhian)

Sámsonháza Formation

 Hungary
 Ukraine

A species of Perrona; a replacement name for Clavatula vindobonensis nodosa Csepreghy-Meznerics (1954).

Perrona koeberli

Sp. nov

Valid

Harzhauser, Landau & Janssen

Miocene (Langhian)

Grund Formation

 Austria

A species of Perrona.

Perrona loetschi

Sp. nov

Valid

Harzhauser, Landau & Janssen

Miocene (Langhian)

Grund Formation

 Austria

A species of Perrona.

Perrona wanzenboecki

Nom. nov

Valid

Harzhauser, Landau & Janssen

Miocene (Langhian)

Baden Formation

 Austria

A species of Perrona; a replacement name for Pleurotoma concinna Handmann (1883).

Peruvispira kanchanaburiensis

Sp. nov

In press

Karapunar, Nützel & Ketwetsuriya

Permian

Ratburi Group

 Thailand

A member of the family Goniasmatidae.

Peruvispira oklahomaensis

Sp. nov

Valid

Karapunar et al.

Carboniferous (Pennsylvanian)

Gene Autry Formation

 United States
( Oklahoma)

A member of the family Goniasmatidae.

Phymatopleura conica

Sp. nov

Valid

Karapunar et al.

Carboniferous (Pennsylvanian)

Gene Autry Formation

 United States
( Oklahoma)

A member of the family Phymatopleuridae.

Phymatopleura girtyi

Sp. nov

Valid

Karapunar et al.

Carboniferous (Pennsylvanian)

Wewoka Formation

 United States
( Oklahoma)

A member of the family Phymatopleuridae.

Platyphysa nagensis

Nom. nov

Valid

Pacaud

Cretaceous

 India

A replacement name for Physa prinsepii elongata Hislop (1860).

Pleurotomaria cloutetsensis

Sp. nov

Valid

Chaix in Chaix & Plicot

Late Cretaceous (Santonian)

 France

Pleurotomella obesula

Sp. nov

Valid

Landau, Harzhauser & Giannuzzi-Savelli

Pliocene (Piacenzian)

 Spain

A species of Pleurotomella.

Pleurotomella turrita

Sp. nov

Valid

Landau, Harzhauser & Giannuzzi-Savelli

Pliocene (Piacenzian)

 Spain

A species of Pleurotomella.

Pomatiasia

Gen. et comb. nov

Valid

Guzhov

Miocene

 Russia

A member of the family Hydrobiidae. Genus includes "Amnicola" cyclostomoides Sinzov (1880). Published online in 2023, but the issue date is listed as December 2022.

Propefavartia

Gen. et comb. nov

Valid

Merle in Merle, Garrigues & Pointier

Eocene

 France

A member of the family Muricidae belonging to the subfamily Muricopsinae. The type species is "Murex" distans Deshayes (1835).

Pseudamnicola roblesi

Sp. nov

Valid

Albesa, López & Crespo

Early Miocene

Ribesalbes-Alcora Basin

 Spain

A species of Pseudamnicola.

Pseudamnicola taodonggouensis

Sp. nov

Valid

Zhu

Late Permian

Wutonggou Formation

 China

A species of Pseudamnicola.

Pseudodaphnella iberica

Sp. nov

Valid

Landau, Harzhauser & Giannuzzi-Savelli

Pliocene (Piacenzian)

 Spain

A species of Pseudodaphnella.

Pseudodaphnella velerinensis

Sp. nov

Valid

Landau, Harzhauser & Giannuzzi-Savelli

Pliocene (Piacenzian)

 Spain

A species of Pseudodaphnella.

Pseudodostia lisbonensis

Sp. nov

Valid

Garvie & Symonds

Eocene

Lisbon Formation

 United States
( Alabama)

A member of the family Neritidae.

Pseudomelania yamadai

Sp. nov

Valid

Isaji, Haga & Kashiwagi

Early Cretaceous (Barremian)

Kimigahama Formation

 Japan

Pseudonerinea ? pseudomelaniformis

Sp. nov

Valid

Gründel et al.

Late Jurassic (Kimmeridgian)

 Germany

A member of Nerineoidea belonging to the family Pseudonerineidae.

Purpuripullina

Gen. et comb. nov

Valid

Guzhov & Raisossadat in Raisossadat et al.

Cretaceous

 Iran
 Lebanon

The type species is "Natica" scalaris Conrad (1852).

Purpuroidea moosleitneri

Sp. nov

Valid

Nützel et al.

Late Triassic (Rhaetian)

Oberrhät Formation

 Austria

A member of Caenogastropoda belonging to the family Purpuroideidae.

Pusionella hofmanni

Sp. nov

Valid

Harzhauser, Landau & Janssen

Miocene (Langhian)

Dej Formation

 Romania

A species of Pusionella.

Ringicula costata chokrakensis

Ssp. nov

Valid

Guzhov

Miocene

 Russia

Published online in 2023, but the issue date is listed as December 2022.

Ringicula costata paratethica

Ssp. nov

Valid

Guzhov

Miocene

 Russia

Published online in 2023, but the issue date is listed as December 2022.

Ringicula subglobosa

Sp. nov

Valid

Guzhov

Miocene

 Russia

A species of Ringicula. Published online in 2023, but the issue date is listed as December 2022.

Saalensia lorioli

Sp. nov

Valid

Gründel, Hostettler & Menkveld-Gfeller

Late Jurassic (Oxfordian)

St-Ursanne Formation

  Switzerland

A member of the family Brachytrematidae.

Shansiella (Oklahomaella) globilineata

Sp. nov

Valid

Karapunar et al.

Carboniferous (Pennsylvanian)

Gene Autry Formation

 United States
( Oklahoma)

A member of the family Portlockiellidae.

Sigmesalia anatole

Sp. nov

Valid

Hoşgör & Pacaud

Paleocene (Danian)

Çaldağ Formation

 Turkey

A member of the family Turritellidae.

Sigmesalia erifensis

Sp. nov

Valid

Hoşgör & Pacaud

Paleocene (Danian)

Çaldağ Formation

 Turkey

A member of the family Turritellidae.

Skenea gofasi

Sp. nov

Valid

Landau & Mulder

Pliocene

 Spain

A species of Skenea.

Specula estebbunensis

Sp. nov

Valid

Landau & Mulder

Pliocene

 Spain

A species of Specula.

Spinatus ruizi

Sp. nov

Valid

Liverani & Wieneke

Miocene (Langhian)

 Indonesia

A member of the family Strombidae.

Spiroscala quasipulchra

Nom. nov

Valid

Karapunar et al.

Permian

 United States

A member of the family Eotomariidae; a replacement name for Euconospira pulchra Batten (1958).

Spiroscala shwedagoniformis

Sp. nov

Valid

Karapunar et al.

Carboniferous (Pennsylvanian)

Gene Autry Formation

 United States
( Oklahoma)

A member of the family Eotomariidae.

Striopusionella

Gen. et comb. nov

Valid

Harzhauser, Landau & Janssen

Miocene (Langhian)

 Hungary

A member of the family Clavatulidae. The type species is "Clavatula" szekelyhidiae Kovács & Vicián (2021).

Stuoraxis kasei

Sp. nov

Valid

Isaji, Haga & Kashiwagi

Early Cretaceous (Barremian)

Kimigahama Formation

 Japan

A member of the family Stuoraxidae.

Stuorella zapfei

Sp. nov

Valid

Nützel et al.

Late Triassic (Rhaetian)

Oberrhät Formation

 Austria

A member of Vetigastropoda belonging to the family Stuorellidae.

Subpterynotus eocaenicus

Sp. nov

Merle, Lesport & Ledon

Eocene (Bartonian)

 France

A species of Subpterynotus.

Subpterynotus mainotensis

Sp. nov

Merle, Lesport & Ledon

Miocene (Aquitanian)

 France

A species of Subpterynotus.

Talassia plioalboranensis

Sp. nov

Valid

Landau & Mulder

Pliocene

 Spain

A species of Talassia.

Teretia inflatissima

Sp. nov

Valid

Landau, Harzhauser & Giannuzzi-Savelli

Pliocene (Piacenzian)

 Spain

A species of Teretia.

Thalassonerita hagai

Sp. nov

Valid

Kiel et al.

Miocene

Amlang Formation

 Philippines

A member of the family Phenacolepadidae.

Tomellana aueri

Sp. nov

Valid

Harzhauser, Landau & Janssen

Miocene (Langhian)

Baden Formation

 Austria
 Bulgaria
 Hungary
 Romania
 Slovakia
 Slovenia

A species of Tomellana.

Tomellana dulaii

Sp. nov

Valid

Harzhauser, Landau & Janssen

Miocene (Langhian)

Dej Formation

 Hungary
 Romania

A species of Tomellana.

Tomellana onubensis

Sp. nov

Valid

Landau & Harzhauser

Early Pliocene

 Spain

A species of Tomellana.

Tomellana postjouannetii

Sp. nov

Valid

Landau & Harzhauser

Pliocene (Piacenzian)

 Spain

A species of Tomellana.

Tortaxis zhangpuensis

Sp. nov

In press

Yu, Páll-Gergely & Salvador

Miocene

Zhangpu amber

 China

Tosapusia peregrina

Sp. nov

Valid

Bertaccini et al.

Pliocene

 Italy

A species of Tosapusia.

Trigonostoma ariejansseni

Sp. nov

Valid

Roosen

Miocene

 Germany

A species of Trigonostoma.

Tudorella lenneae

Sp. nov

Valid

Groh et al.

Pliocene

 Spain
( Canary Islands)

A species of Tudorella.

Tudorella rothei

Sp. nov

Valid

Groh et al.

Pliocene

 Spain
( Canary Islands)

A species of Tudorella.

Turbonilla yadongensis

Sp. nov

Li, Li & Garvie

Eocene (Ypresian)

Zhupure Formation

 China

A species of Turbonilla.

Valvata complanusa

Sp. nov

Valid

Zhu

Late Permian

Wutonggou Formation

 China

A species of Valvata.

Varicoturbo

Gen. et sp. nov

Valid

Nützel, Schweigert & Karapunar

Late Triassic (Carnian)

San Cassiano Formation

 Italy

A member of the family Seguenziidae. Genus includes new species V. microstriatus.

Worthenia (Yochelsonospira) kuesi

Sp. nov

Valid

Karapunar et al.

Carboniferous (Pennsylvanian)

Wetumka Formation

 United States
( Oklahoma)

A species of Worthenia.

Xinjiangospira habita

Sp. nov

Valid

Zhu

Late Permian

Wutonggou Formation

 China

A member of the family Hydrobiidae.

Gastropod research

  • A study on transitions from water to land throughout the evolutionary history of gastropods is published by Vermeij & Watson-Zink (2022).
  • A study on changes in gastropod diversity at the genus/subgenus level from the Norian to the Pliensbachian is published by Ferrari & Hautmann (2022), who report that gastropods lost 56% of genera/subgenera during the Triassic–Jurassic extinction event, which was much more than the average loss of marine life at the time, and attempt to determine potential causes of the end-Triassic extinctions of gastropods.
  • A study aiming to determine the drivers of diversification for European freshwater gastropods over the past 100 million years is published by Neubauer et al. (2022).
  • A study aiming to determine the factors which caused the diversification of European freshwater gastropods in the Late Cretaceous is published by Neubauer & Harzhauser (2022).
  • Revision of the fossil material of Ancistrolepis from the Eocene (Ypresian) Llajas Formation (California, United States), representing the oldest occurrence of this genus reported to date, is published by Squires (2022).

Other molluscs

New taxa

Name Novelty Status Authors Age Type locality Location Notes Images

Calloplax roederi

Sp. nov

Valid

Vendrasco, Powell & LaFollette

Miocene

 United States
( California)

A chiton.

Chiton solaris

Sp. nov

Valid

Vendrasco, Powell & LaFollette

Miocene

 United States
( California)

A chiton.

Dorispira avannga

Sp. nov

Valid

Peel & Kouchinsky

Cambrian (Wuliuan)

Henson Gletscher Formation

 Greenland

A helcionellid.

Dorispira? lemdadensis

Sp. nov

Mghazli et al.

Cambrian

 Morocco

Dorispira septentrionalis

Sp. nov

Valid

Peel & Kouchinsky

Cambrian (Wuliuan)

Henson Gletscher Formation

 Greenland

A helcionellid.

Dorispira tavsenensis

Sp. nov

Valid

Peel & Kouchinsky

Cambrian (Wuliuan)

Henson Gletscher Formation

 Greenland

A helcionellid.

Dorispira tippik

Sp. nov

Valid

Peel & Kouchinsky

Cambrian (Wuliuan)

Henson Gletscher Formation

 Greenland

A helcionellid.

Erugoconus

Gen. et sp. nov

Valid

Peel & Kouchinsky

Cambrian (Wuliuan)

Henson Gletscher Formation

 Greenland

A member of Helcionelloida of uncertain affinities. The type species is E. acuminatus.

Hoarepora

Nom. nov

Valid

Mapes in Mazaev

Carboniferous (Pennsylvanian)

 United States

A rostroconch; a replacement name for Oxyprora Hoare, Mapes & Yancey (2002).

Ischnochiton loureiroi

Sp. nov

Valid

Dell'Angelo et al.

Pliocene

Mondego Basin

 Portugal

A chiton, a species of Ischnochiton.

Lepidochitona rochae

Sp. nov

Valid

Dell'Angelo et al.

Pliocene

Mondego Basin

 Portugal

A chiton, a species of Lepidochitona.

Scenella? siku

Sp. nov

Valid

Peel & Kouchinsky

Cambrian (Wuliuan)

Henson Gletscher Formation

 Greenland

A member of Helcionelloida. Originally tentatively assigned to the genus Scenella, but subsequently made the type species of the separate genus Hensoniconus.

Sermeqiconus

Gen. et comb. nov

Valid

Peel & Kouchinsky

Cambrian

Aftenstjernesø Formation

 Greenland

A helcionellid. The type species is "Figurina" polaris Peel (2021).

Tavseniconus

Gen. et sp. nov

Valid

Peel & Kouchinsky

Cambrian (Wuliuan)

Henson Gletscher Formation

 Greenland

A member of Helcionelloida of uncertain affinities. The type species is T. erectus.

Vendrascospira

Gen. et 2 sp. nov

Valid

Peel & Kouchinsky

Cambrian (Wuliuan)

Henson Gletscher Formation

 Greenland

A helcionellid. The type species is V. troelseni; genus also includes V. frykmani.

Yochelcionella gracilituba

Sp. nov

Mghazli et al.

Cambrian

 Morocco

Yochelcionella longituba

Sp. nov

Mghazli et al.

Cambrian

 Morocco

Other mollusc research

  • Revision of the oldest known specimens of Jinonicella kolebabai from the Middle Ordovician strata of Ukraine and Belarus is published by Gubanov et al. (2022), who report the preservation of growth lines which were previously documented only in Silurian specimens.
  • New information on the anatomy of Typhloesus wellsi is presented by Conway Morris & Caron (2022), who consider it plausible that Typhloesus was a pelagic mollusc with possible affinities with gastropods.

References

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