Alternognathus - Misplaced Pages

Extinct genus of jawless fishes

Alternognathus Temporal range: Famennian PreꞒ Ꞓ O S D C P T J K Pg N
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	†Conodonta
Order:	†Ozarkodinida
Family:	†Elictognathidae
Genus:	†Alternognathus Ziegler & Sandberg, 1984
Species
†Alternognathus beulensis †Alternognathus regularis

Alternognathus is an extinct conodont genus in the family Elictognathidae. An extensive study on its population dynamics and lifespan has recently been published.

References

Przemysław Świś (2019). "Population dynamics of the Late Devonian conodont Alternognathus calibrated in days". Historical Biology: An International Journal of Paleobiology. in press. doi:10.1080/08912963.2018.1427088.

Important candidate sections for stratotype of conodont based Devonian-Carboniferous boundary. Willi Ziegler and Charles A. Sandberg, Courier Forschungsinstitut Senckenberg, 1984
Palmatolepis-based revision of upper part of standard Late Devonian conodont zonation. Willi Ziegler and Charles A. Sandberg, GSA Special Papers, 1984, volume 196, pages 179–194, doi:10.1130/SPE196-p179

External links

"Alternognathus". Paleobiology Database. Retrieved 18 May 2016.

Conodonts

Kingdom: Animalia
Phylum: Chordata
Subphylum: Vertebrata

Conodont-like fossils

Protoconodontida?
(Probably stem-chaetognaths)

Paraconodontida

Furnishinacea

Furnishinidae	Albiconus Furnishina Muellerodus Nogamiconus Proacodus Problematoconites Prooneotodus Prosagittodontus Proscandodus
Westergaardodinidae	Westergaardodina

Conodonta /
Conodontophorida /
"true conodonts" (Euconodonta)

see below

Conodonta

Cavidonti

Belodellida?

Ansellidae?	Ansella Hamarodus? Tokognathus?
Belodellidae	Belodella Caenodontus? Coelocerodontus Drepanodistacodus? Dvorakia Stolodus Walliserodus
Dapsilodontidae?	Besselodus? Dapsilodus

Proconodontida

Proconodontus Pseudooneotodus?
Cordylodontidae	Cambrooistodus Cordylodus Eoconodontus Eodentatus Iapetognathus
Fryxellodontidae	Dzikodus? Fryxellodontus Kallidontus Polonodus? Pygodontidae?

Conodonti

Protopanderodontida

Besselodus? Dapsilodus?
Acanthodontidae	Acanthodus Kirkupodus Parapaltodus Scalpellodus? Ulrichodina?
Clavohamulidae	Clavohamulus Dasytodus Eoserratognathus Granatodontus Hirsutodontus Hispidodontus Laiwunodus Nericodus? Paraserratognathus
Drepanoistodontidae? (Distacodontidae)?	Distacodus Drepanodus? Drepanoistodus Laurentoscandodus Nordiodus? Paltodus Paroistodus Venoistodus
Protopanderodontidae	Aloxoconus? Colaptoconus Drepanodus Eucharodus Filodontus? Molloydenticulus Monocostodus Oneotodus Parutahconus Planusodus Polycostatus Protopanderodus Pseudooneotodus? Semiacontiodus Scolopodus Staufferella Striatodontus Stultodontus Teridontus Utahconus Variabiloconus Ventricodus
Serratognathidae?	Serratognathoides Serratognathus
Strachanognathidae? (Cornuodontidae)?	Cornuodus Decoriconus Macerodus Scabbardella Strachanognathus

Panderodontida

Cristodus? Loxodus? Thrincodus?
Panderodontidae	Belodina Culumbodina Naimanodus Neopanderodus Nudibelodina Panderodus Parabelodina Parapanderodus Plegagnathus Pseudobelodina Taoqupognathus Belodellidae?

Prioniodontida

see below

Prioniodontida

incertae sedis	Multidentodus? Rossodus Schopfodus Ansellidae?
Acodontidae?	Acodus Diaphorodus Nealeodus? Pteracontiodus Triangulodus Tripodus Tropodus
Balognathidae	Aldridgeognathus Amorphognathus Arianagnathus Baltoniodus Barrandegnathus Birksfeldia Complexodus Icriodella Lenodus Notiodella Omanognathus Pranognathus Prioniodus Promissum Pterospathodus Rhodesognathus Sagittodontina Trapezognathus
Distomodontidae	Anticostiodus Distomodus Moskalenkodus
Gamachignathidae?	Birksfeldia Galerodus Gamachignathus
Icrodellidae	Icriodella Icriognathus Pedavis
Icriodontidae	Caudicriodus Icriodus Pelekysgnathus
Jablonnodontidae?	Cononcfiodontus Fungulodus Jablonnodus Mitrellataxis
Multioistodontidae	Dischidognathus Leptochirognathus? Multioistodus Neomultioistodus Wandelia
Nurrellidae?	Nurrella
Oistodontidae	Graciliconus Histiodella Juanognathus Jumudontus Loxognathodus Loxodentatus Oistodus Oleandodus Tricostatus
Ozarkodinida	see below
Paracordylodontidae	Cooperignathus Oelandodus Paracordylodus Protoprioniodus
Periodontidae	Fahraeusodus? Hamarodus? Microzarkodina Periodon Pohlerodus
Phragmodontidae	Acanthocordylodus Acanthodina Nordiora Paraprioniodus Phragmodus Protophragmodus
Playfordiidae?	Playfordia
Plectodinidae	Bryantodina Plectodina Scyphiodus
Polyplacognathidae	Baltoplacognathus Cahabagnathus Polonodus? Polyplacognathus
Prioniodinida	see below
Prioniodontidae	Angulodus Astognathus Cardiodella Dichognathus Drucognathus Embsaygnathus Eocarniodus Eoneoprioniodus Guizhouprioniodus Kailidontus Lambdagnathus Prioniodus Reutterodus Stiptognathus
Pygodontidae?	Nericodus? Pygodus
Rhipidognathidae	Appalachignathus Bergstroemognathus Rhipidognathus

Ozarkodinida

Anchignathodontidae

?Archeognathidae

Archeognathus
Neocoleodus

?Belodontidae

?Coleodontidae

Coleodontinae	Coleodus Hindeodina Pravognathus
Hibbardellinae	Diplododella Elsonella Hibbardella Hibbardelloides Ptilognathus Roundya Tetraprioniodus Zentagnathus
Hindeodellinae	Arcugnathus Cervicornoides Hindeodella Kladognathus Metaprioniodus Oncodella Tasmanognathus
Ligonodinae	Euprioniodella Euprioniodina Hamulosodina Hindeodelloides Ligonodina Lonchodina? Lonchodus Synprioniodina
Neoprioniodontinae	Leptochirognathus Loxodus Neoprioniodus Pachysomia Subprioniodus
Plectospathodontinae	Anastrophognathus Aphelognathus Gothodus Keislognathus Plectospathodus

Cryptotaxidae

Cryptotaxis

Gladigondolella

Iowagnathus

Kockelellidae

Ctenognathodus
Kockelella

Mestognathidae

Laterignathus
Mestognathus

?Novispathodontidae

Polygnathacea

Cavusgnathidae	Adetognathus Cavusgnathus Clydagnathus Ferganaegnathodus Neolochriea Patrognathus Pseudopolygnathus Rhachistognathus Scaphignathus Taphrognathus Weyerognathus
Palmatolepidae	Conditolepis Dinodus Kielcelepis Klapperilepis Lagovilepis Manticolepis Mesotaxis Palmatolepis Panderolepis Tripodellus
Polygnathidae	Avignathus Bispathodus Ctenopolygnathus Mehlina Nicollidina Pandorinellina Parapolygnathus Polygnathus Streptognathodus Synclydagnathus

Pterospathodontidae

Spathognathodontidae

Sweetognathidae

Meiognathus
Sweetognathus

?Trucherognathidae

Trucherognathus

?Vjalovognathidae

Vjalovognathus

?Wapitiodontidae

Wapitiodus

Prioniodinida

Bactrognathidae	Bactrognathus Doliognathus Staurognathus
Chirognathidae	Chirognathus Curtognathus Erraticodon Lumidens? Oistodella
Ellisoniidae	Ellisonia Foliella Hadrodontina Parapachycladina Parafurnishius Stepanovites
?Oepikodontidae	Lissoepikodus Oepikodus
Prioniodinidae	Bryantodus Camptognathus Chirodella Cornuramia Dyminodina Falodus Guizhoudella Gyrognathus Idioprionodus Kamuellerella Lagovidina Metalonchodina Multidentodus Neoplectospathodus Oulodus Palmatodella Pluckidina Polygnathellus Prioniodella Prioniodina Prionognathodus Pristognathus Scotlandia Subbryantodus Uncadina Veghella
?Xaniognathidae	Chirodella Crypridodella Ketinella Xaniognathus

Taxon identifiers
Alternognathus	Wikidata: Q25096402 GBIF: 4841631 IRMNG: 1316218 Paleobiology Database: 33836

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