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Cidarina

Gastropoda - Calliotropidae

Taxonomy
Cidarina was named by Dall (1909) [Sepkoski's age data: Q Plei R]. It is extant.

It was assigned to Eucyclinae by Squires and Goedert (1995); to Archaeogastropoda by Sepkoski (2002); to Trochidae by Squires and Saul (2003); and to Calliotropidae by Bandel (2010).

Synonymy list
YearName and author
1909Cidarina Dall
1995Cidarina Squires and Goedert p. 264
2002Cidarina Sepkoski, Jr.
2003Cidarina Squires and Saul pp. 51 - 52
2010Cidarina Bandel p. 474

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Spiralia
Schizocoela
phylumMollusca
RankNameAuthor
classGastropodaCuvier 1797
subclassOrthogastropoda
superorderVetigastropodaSalvini-Plawen 1980
superfamilySeguenzioideaVerril 1884
familyCalliotropidaeHickman and McLean 1990
genusCidarinaDall 1909

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. L. Squires and L. R. Saul 2003Shell small to medium, thin, trochiform, spire relatively elevated, ornamentation of coarse nodes or beads formed at intersections of spiral and collabral sculpture, ornamentation weakest anterior to body whorl periphery, aperture nearly circular and oblique, umbilicus covered by thin columellar callus, interior shell nacreous.