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Otomphalus

Gastropoda - Ataphridae

Taxonomy
Otomphalus was named by Cossmann (1902) [Sepkoski's age data: T Eo-m-l].

It was assigned to Gastropoda by Cossmann (1902); to Colloniinae by Batten and Stokes (1986); and to Archaeogastropoda by Sepkoski (2002).

Synonymy list
YearName and author
1902Otomphalus Cossmann p. 62 figs. Pl. VI (XI), fig. 5-6
1986Otomphalus Batten and Stokes p. 8
2002Otomphalus Sepkoski, Jr.

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Spiralia
Schizocoela
phylumMollusca
classGastropodaCuvier 1797
RankNameAuthor
subclassOrthogastropoda
superorderVetigastropodaSalvini-Plawen 1980
superfamilyTrochoidea(Rafinesque 1815)
familyAtaphridaeCossmann 1915
subfamilyAtaphrinaeCossmann 1915
tribeColloniini(Cossmann 1917)
genusOtomphalusCossmann 1902

If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.

Diagnosis
ReferenceDiagnosis
Cossmann 1902Test épais, non nacré; forme tur binée, spire courte, treillissée, à protoconque déprimée: ouverture circulaire, à péristome épais, formant une oreille à surface plane, dont le contour caréné circonscrit l'entonnoir ombilical, sans aucune trace de funicule ; labre non variqueux, lisse à l'intérieur.