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Acirsa (wentletrap)

Gastropoda - Epitoniidae

Taxonomy
Acirsa was named by Mörch (1857) [Sepkoski's age data: K Apti R Sepkoski's reference number: 157]. It is extant.

It was assigned to Acirsinae by Sohl (1964), Sohl (1964) and Kase (1984); to Epitoniidae by Durham (1937), Palmer and Brann (1966), Todd (2001) and Wienrich (2001); and to Neotaenioglossa by Sepkoski (2002).

Synonyms
Synonymy list
YearName and author
1857Acirsa Mörch
1909Pseudoacirsa de Boury
1911Tumidiacirsa de Boury p. 221
1937Acirsa Durham p. 510 figs. Plate 56, figure 4
1964Acirsa Sohl p. 313
1966Acirsa Palmer and Brann p. 475
1984Acirsa Kase p. 164
2001Acirsa Todd
2001Acirsa Wienrich p. 447
2002Acirsa Sepkoski, Jr.
2002Tumidiacirsa Sepkoski, Jr.

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Spiralia
superphylumLophotrochozoa
RankNameAuthor
phylumMollusca
classGastropodaCuvier 1797
Ptenoglossa(Gray 1853)
superfamilyEpitonioidea(Berry 1910)
familyEpitoniidaeBerry 1910
genusAcirsaMörch 1857

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
J. W. Durham 1937Shell more or less heavy, small to medium size; axial ribs usually nearly obsolete; spiral ribs present; basal disk present; aperture entire although inner lin is often very thin; outer lip sharpened.