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Morphology Ecology and taphonomy   Age range and collections

Pachycymbiola

Gastropoda - Neogastropoda - Volutidae

Taxonomy
Pachycymbiola was named by Ihering (1907) [Sepkoski's age data: T Mi R]. It is extant. Its type is Voluta brasiliana.

It was reranked as Adelomelon (Pachycymbiola) by Weaver and DuPont (1970).

It was assigned to Volutidae by Ihering (1907); to Adelomelon by Weaver and DuPont (1970); to Neogastropoda by Sepkoski (2002); and to Zidoninae by Nielsen and Frassinetti (2007).

Synonymy list
YearName and author
1907Pachycymbiola Ihering
1970Adelomelon (Pachycymbiola) Weaver and DuPont pp. 107-108
2002Pachycymbiola Sepkoski, Jr.
2007Pachycymbiola Nielsen and Frassinetti p. 97

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Spiralia
Schizocoela
phylumMollusca
classGastropodaCuvier 1797
RankNameAuthor
subclassProsobranchiaMilne-Edwards 1848
superorderCaenogastropodaCox 1959
orderNeogastropodaThiele 1929
superfamilyMuricoideade Costa 1776
familyVolutidaeRafinesque 1815
subfamilyZidoninaeAdams and A 1853
genusPachycymbiolaIhering 1907

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
S. N. Nielsen and D. Frassinetti 2007Shell medium to large (up to 185 mm) and heavy, subglobose with depressed spire. Protoconch rather small with blunt apex. Teleoconch smooth or with spiral cords. Nodules to heavy spines present in some species. Last whorl large, with elongate-oval aperture. Columella with two or more folds.