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Isfarispira

Gastropoda - Euomphalina - Anomphalidae

Taxonomy
Isfarispira was named by Gubanov et al. (1995) [Sepkoski's age data: S Ldov-u , S Wenl-l]. It is not extant. Its type is Isfarispira septata.

It was assigned to Omphalotrochidae by Gubanov et al. (1995); to Euomphalina by Sepkoski (2002); and to Pycnomphalinae by Peel (2018).

Synonymy list
YearName and author
1995Isfarispira Gubanov et al.
2002Isfarispira Sepkoski, Jr.
2018Isfarispira Peel

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Spiralia
Schizocoela
phylumMollusca
RankNameAuthor
classGastropodaCuvier 1797
subclassEogastropoda
orderEuomphalina
superfamilyEuomphaloidea()
familyAnomphalidae
subfamilyPycnomphalinae
genusIsfarispira

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. S. Peel 2018Large, lenticular gastropod with up to ten or more slowly expanding whorls and a radial aperture. Umbilicus largely closed by a blade-like circumbilical flange extending adumbilically as a continuation of the shallowly convex base. Shell interior with numerous adaperturally concave septa in the early stages. Ornamentation of fine comarginal growth lines.