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Eumetula (Cerithina)

Gastropoda - Newtoniellidae

Taxonomy
Cerithium (Cerithina) was named by Holzapfel (1888) [Sepkoski's age data: K Coni].

It was Eumetula (Cerithina) by Kiel (2001); it was reranked as Cerithina by Sepkoski (2002).

It was assigned to Cerithium by Holzapfel (1888); to Eumetula by Kiel (2001); and to Neotaenioglossa by Sepkoski (2002).

Synonymy list
YearName and author
1888Cerithium (Cerithina) Holzapfel
2001Eumetula (Cerithina) Kiel pp. 68 - 69
2002Cerithina Sepkoski, Jr.

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Spiralia
Schizocoela
phylumMollusca
classGastropodaCuvier 1797
RankNameAuthor
subclassProsobranchiaMilne-Edwards 1848
superorderCaenogastropodaCox 1959
superfamilyTriphoroideaGray 1847
familyNewtoniellidaeKorobkov 1955
subfamilyEumetulinae(Golikov and Starobogatov 1975)
genusEumetulaThiele 1912
subgenusCerithina(Holzapfel 1888)

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. Kiel 2001The slender turriform protoconch is made of numerous axially ribbed whorls. The teleoconch is turriform, the whorls are more or less straight sided and have strong axial and spiral ornament. The interspaces between the axials are about as wide or little wider than the ribs. There are three to four spiral cords, the base is more or less flat and the columella may bear one plate.