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Crossotrema

Gastropoda - Epitoniidae

Taxonomy
Crossotrema was named by Cleevely (1980) [Sepkoski's age data: K Camp-u Sepkoski's reference number: 1211].

It was assigned to Epitoniidae by Cleevely (1980); and to Neotaenioglossa by Sepkoski (2002).

Synonymy list
YearName and author
1980Crossotrema Cleevely pp. 236 - 237
2002Crossotrema Sepkoski, Jr.

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Spiralia
Schizocoela
RankNameAuthor
phylumMollusca
classGastropodaCuvier 1797
Ptenoglossa(Gray 1853)
superfamilyEpitonioidea(Berry 1910)
familyEpitoniidaeBerry 1910
genusCrossotrema

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
R. J. Cleevely 1980Moderately large, elongate turreted shell with strongly convex, firmly joined whorls. Elaborate axial and spiral sculpture, of equal significance, consisting of crenulate frilled opisthocyrt collabral lamellae and primary and secondary spiral cords. Lamellae alternate on adjacent whorls, obscuring the impressed suture. Whorls lacking varices; imperforate.