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Plekocheilus
Apertual view of a shell of Plekocheilus euryomphalus.
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
Order:	Stylommatophora
Suborder:	Helicina
Superfamily:	Orthalicoidea
Family:	Amphibulimidae
Genus:	Plekocheilus Guilding, 1828
Type species
Carychium undulatum Leach, 1814
Synonyms
Antitragus Oberwimmer, 1931 (junior synonym) Auris (Antitragus) Oberwimmer, 1931 (junior synonymy) Auris (Eudolichotis) Pilsbry, 1896 Bulimus (Eurytus) Albers, 1850 (junior synonym) Bulimus (Plekocheilus) Guilding, 1827 (junior synonym) Caprella Guilding, 1824 (invalid: junior homonym of Caprella Lamarck, 1801; Plekocheilus is a replacement name) Eudolichotis Pilsbry, 1896 Eudolichotus Euritis Eurytus Albers, 1850 (junior synonymy) Orcesiellus Weyrauch, 1967 Pelekocheilus Beck, 1837 (junior synonymy) Plecocheilus Swainson, 1833 (junior synonymy) Plecocheilus (Eurytus) Albers, 1850 Plecocheilus (Plecocheilus) Swainson, 1833 (incorrect subsequent spelling) Plecochilus Agassiz, 1846 (unjustifed emendation) Plekocheilus (Aeropictus) Weyrauch, 1967· accepted, alternate representation Plekocheilus (Eudolichotis) Pilsbry, 1896· accepted, alternate representation Plekocheilus (Eurytus) Albers, 1850· accepted, alternate representation Plekocheilus (Orcesiellus) Weyrauch, 1967 (junior synonymy) Plekocheilus (Plekocheilus) Guilding, 1827· accepted, alternate representation Plekocheilus (Sparnotion) Pilsbry, 1944 (junior synonymy) Strophocheilus (Eurytus) Albers, 1850 (junior synonymy)

Plekocheilus is a genus of air-breathing land snails, terrestrial pulmonate gastropod mollusks in the family Amphibulimidae.

Distribution

This genus occurs in South America: Colombia, Venezuela, Brazil and Ecuador.

Species

Species within the genus Plekocheilus include:

• Plekocheilus alticolus (F. Haas, 1955)
• Plekocheilus ampullaroides (Mousson, 1873)
• Plekocheilus annetae Breure, 2020
• Plekocheilus apunni (Dunker, 1875)
• Plekocheilus argenteus (Jousseaume, 1900)
• Plekocheilus aristaceus (Crosse, 1869)
• Plekocheilus aulacostylus (L. Pfeiffer, 1853)
• Plekocheilus aureonitens (K. Miller, 1878)
• Plekocheilus auriformis (da Costa, 1904)
• Plekocheilus aurissciuri Guppy, 1866
• Plekocheilus aurissileni (Born, 1780) - photo of radula
• Plekocheilus bellulus (Jonas, 1844)
• Plekocheilus bigener Borrero & Breure, 2011
• Plekocheilus blainvilleanus (Pfeiffer, 1848)
• Plekocheilus breweri Breure & Schlögl, 2010
• Plekocheilus bruggeni Breure, 1978
• Plekocheilus calliostomus (Dohrn, 1882)
• Plekocheilus camaritagua Borrero & Breure, 2011
• Plekocheilus cardinalis (Pfeiffer, 1853)
• Plekocheilus castaneus (Pfeiffer, 1845)
• Plekocheilus cathcartiae (Reeve, 1848)
• Plekocheilus cecepeus Breure & R. Araujo, 2015
• Plekocheilus coloratus (Nyst, 1845) - synonym: Plekocheilus lamarckianus (Pfeiffer, 1848)
• Plekocheilus conspicuus Pilsbry, 1932
• Plekocheilus dalmasi (Dautzenberg, 1900)
• Plekocheilus delicatus (Pilsbry, 1935)
• Plekocheilus dillwynianus (Pfeiffer, 1853)
• Plekocheilus dissimulans (Preston, 1909)
• Plekocheilus distortus (Bruguière, 1789) - in Brazil and Venezuela
• Plekocheilus doliarius (da Costa, 1898)
• Plekocheilus elaeodes (L. Pfeiffer, 1853)
• Plekocheilus episcopalis (Pfeiffer, 1855)
  • subspecies Plekocheilus episcopalis auriformis (Da Costa, 1904) - synonym: Plekocheilus auriformis (da Costa, 1904)
  • subspecies Plekocheilus episcopalis corticosus (Sowerby III, 1895)
• Plekocheilus eros (Angas, 1878)
• Plekocheilus euryomphalus (Jonas, 1844) - synonym: Plekocheilus otostomus (Pfeiffer, 1855), - in Venezuela
• Plekocheilus floccosus (Spix in J. A. Wagner, 1827)
• Plekocheilus fulminans (Nyst, 1843)
• Plekocheilus fusitorsus (Oberwimmer, 1931)
• Plekocheilus gibber (Oberwimmer, 1931)
• Plekocheilus gibbonius (Lea, 1838)
• Plekocheilus glaber (Gmelin, 1791)
• Plekocheilus glandiformis (Lea, 1838) - synonym: Plekocheilus (Eurytus) couturesi Ancey, 1900
• Plekocheilus guentheri (G.B. Sowerby III, 1892)
• Plekocheilus hauxwelli (Crosse, 1872)
• Plekocheilus huberi Breure, 2009
• Plekocheilus incognitus Borrero & Breure, 2011
• Plekocheilus jimenezi (Hidalgo, 1872)
• Plekocheilus jucundus (L. Pfeiffer, 1855)
• Plekocheilus labiosus Borrero & Breure, 2011
• Plekocheilus lacerta (Pfeiffer, 1855)
• Plekocheilus linterae(G.B. Sowerby III, 1890)
• Plekocheilus loveni (Pfeiffer, 1848)
• Plekocheilus lugubris (Dunker, 1882)
• Plekocheilus lynciculus (Deville & Hupé, 1850)
• Plekocheilus midas (Albers, 1852)
• Plekocheilus mundiperditi F. Haas, 1955
• Plekocheilus nachiyacu Pilsbry, 1939
• Plekocheilus nebulosus Breure, 2009
• Plekocheilus nocturnus Pilsbry, 1939
• Plekocheilus oligostylus Pilsbry, 1939
• Plekocheilus onca (d'Orbigny, 1835)
• Plekocheilus paraguas Borrero & Breure, 2011
• Plekocheilus pentadinus (d'Orbigny, 1835) - synonym: Helix onca d'Orbigny, 1835
• Plekocheilus perdix (Pfeiffer, 1848)
• Plekocheilus philippei Breure, 2012 in press
• Plekocheilus piperatoides Pilsbry, 1901
• Plekocheilus piperitus (G.B.Sowerby I, 1837)
• Plekocheilus pirriensis Dall, 1912
• Plekocheilus plectostylus (Pfeiffer, 1848) - synonym: Plekocheilus speciosus (Pfeiffer, 1854)
• Plekocheilus pulicarius (Reeve, 1848) - synonyms: Plekocheilus (Eurytus) virgatus (Pilsbry, 1935); Plekocheilus (Eurytus) mabillei (Crosse, 1867)
• Plekocheilus quadricolor (Pfeiffer, 1848)
• Plekocheilus rhodocheilus (Reeve, 1848)
• Plekocheilus roseolabrum (E. A. Smith, 1877)
• Plekocheilus sanderi Breure, 2020
• Plekocheilus semperi (Dohrn, 1882)
• Plekocheilus sinuatus (Albers, 1854)
• Plekocheilus sophiae Breure, 2009
• Plekocheilus subglandiformis (Mousson, 1873)
• Plekocheilus succineoides (Petit de la Saussaye, 1840) - synonym: Plekocheilus latilabris (Pfeiffer, 1855)
  • subspecies Plekocheilus succineoides cleeforum Breure, 1977
  • subspecies Plekocheilus succineoides zilchi Breure, 1977
• Plekocheilus superstriatus (G.B. Sowerby III, 1890)
• Plekocheilus taquinensis (Pfeiffer, 1855)
• Plekocheilus tatei (F. Haas, 1955)
• Plekocheilus taylorianus (Reeve, 1849)
• Plekocheilus tenuissimus Weyrauch, 1967
• Plekocheilus tetensii (Dunker, 1875)
• Plekocheilus tricolor (Pfeiffer, 1853)
• Plekocheilus taylorianus (Reeve, 1849)
• Plekocheilus veranyi (Pfeiffer, 1848) - synonym: Bulimus scytodes Pfeiffer, 1853
• Plekocheilus vlceki Breure & Schlögl, 2010

Synonyms

• Plekocheilus ameghinoi Parodiz, 1962: synonym of Plekocheilus guentheri (G. B. Sowerby III, 1892) (junior synonym)
• Plekocheilus gracilis Broderip, 1841: synonym of Callistocharis fulguratus (Jay, 1842) (invalid: junior secondary homonym of Bulimus gracilis Hutton, 1834)
• Plekocheilus jacksoni Pilsbry, 1939: synonym of Plekocheilus lynciculus (Deville & Hupé, 1850) (junior synonymy)
• Plekocheilus manco Pilsbry, 1930: synonym of Plekocheilus veranyi (L. Pfeiffer, 1848) (junior synonymy)
• Plekocheilus mcgintyi H. B. Baker, 1963: synonym of Plekocheilus piperitus mcgintyi H. B. Baker, 1963 (original combination)
• Plekocheilus pseudopiperatus Pilsbry, 1895: synonym of Plekocheilus piperitus piperitus (G. B. Sowerby I, 1837) (junior synonym)
• Plekocheilus undulatus (Leach, 1814): synonym of Plekocheilus aurissileni (Born, 1780)

References

1. Guilding L. (1827). Transactions of the Linnean Society of London 15(2): 512.
2. ^ MolluscaBase eds. (2021). MolluscaBase. Plekocheilus Guilding, 1827. Accessed through: World Register of Marine Species at: http://www.marinespecies.org/aphia.php?p=taxdetails&id=870077 on 2022-01-26
3. ^ Breure A. S. H. & Ablett J. D. (2011) "Annotated type catalogue of the Amphibulimidae (Mollusca, Gastropoda, Orthalicoidea) in the Natural History Museum, London". ZooKeys 138: 1-52. doi:10.3897/zookeys.138.1847.
4. ^ Borrero F. J. & Breure A. S. H. (2011). "The Amphibulimidae (Mollusca: Gastropoda: Orthalicoidea) from Colombia and adjacent areas". Zootaxa 3054: 1-59. preview.
5. ^ Beaure A. S. H. & Schlögl J. (2010). "Additional notes on Orthalicidae from the Chimantá massif, Venezuelan Guayana, with descriptions of new species of Plekocheilus Guilding, 1828 (Mollusca: Gastropoda)". Zootaxa 2416: 51-60. abstract.
6. ^ Breure A. S. H. (2011). "Annotated type catalogue of the Orthalicoidea (Mollusca, Gastropoda) in the Royal Belgian Institute of Sciences, Brussels, with descriptions of two new species". ZooKeys 101: 1-50. doi:10.3897/zookeys.101.1133.
7. ^ Arias C, Sergio, 1952. Algunos moluscos de la región Baruta - EL Hatilllo. Memoria de la Sociedad de Ciencias Naturales La Salle XII(31):47-65
8. Breure A. S. H. (in press). "Living in isolation: Plekocheilus (P.) philippei spec. nov. from Venezuelan Guayana (Gastropoda, Amphibulimidae)".

• Oberwimmer, H. (1931). Beschreibung dreier neuer Bulimuliden aus dem Senckenberg-Museum. Senckenbergiana, 13: 190-194. Frankfurt am Main.
• Weyrauch, W.K. (1967). Descripciones y notas sobre gastropodos terrestres de Venezuela, Colombia, Ecuador, Brasil, y Peru. Acta Zoológica Lilloana, 21: 457-499.

Further reading

• Breure A. S. H. (1975). "Caribbean land molluscs: Bulimulidae, II. Plekocheilus and Naesiotus". Studies on the Fauna of Curaçao and other Caribbean Islands 46: 71-93, pls. 6-8, tables 8-14.

External links

• Swainson W. (1829-1833). Zoological Illustrations, or original figures and descriptions of new, rare, or interesting animals, selected chiefly from the classes of ornithology, entomology, and conchology, and arranged according to their apparent affinities. Second series. London: Baldwin & Cradock
• Agassiz, L. (1846). Nomenclatoris Zoologici Index Universalis, continens nomina systematica classium, ordinum, familiarum et generum animalium omnium, tam viventium quam fossilium, secundum ordinem alphabeticum unicum disposita, adjectis homonymus plantarum nec non variis adnotationibus et emendationibus. i-x, 1-1135. Soloduri. : Sumptibus Jent et Gassman
• Albers, J. C. (1850). Die Heliceen nach natürlicher Verwandtschaft systematisch geordnet. Berlin: Enslin. 262 pp.
• Guilding, I. (1828). Observations on the zoology of the Caribbean Islands. The Zoological Journal. 3: 527-544
• Pilsbry, H. A. (1895-1896). Manual of conchology, structural and systematic, with illustrations of the species. Ser. 2, Pulmonata. Vol. 10: American Bulimi and Bulimuli. Streptocheilus, Plekocheilus, Auris, Bulimulus. pp i-iv, 1-213, pls 1-51. Philadelphia, published by the Conchological Section, Academy of Natural Sciences
• Breure, A. S. H. (1975). Caribbean land molluscs: Bulimulidae II. Plekocheilus and Naesiotus. Studies on the Fauna of Curaçao and other Caribbean Islands: no. 152. 71-93, pls. 6-8.
• Breure, A. S. H. & Araujo, R. (2017). The Neotropical land snails (Mollusca, Gastropoda) collected by the "Comisión Científica del Pacífico.". PeerJ. 5, e3065

• Amphibulimidae