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Whitella sigmoidea

Bivalvia - Cyrtodontida - Cyrtodontidae

Taxonomy
Cyrtodonta sigmoides was named by Billings (1858) [Cyrtodonta? sigmoides].

It was recombined as Whitella sigmoidea by Twenhofel (1928).

Sister species lacking formal opinion data
W. arcticus, W. praecipita, W. scofieldi

Synonymy list
YearName and author
1858Cyrtodonta sigmoides Billings pp. 185 - 186
1928Whitella sigmoidea Twenhofel p. 228 figs. Plate XLIX, figure 6

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
phylumMollusca
classBivalvia
—Eubivalvia
subclassAutobranchia(Groblen 1894)
RankNameAuthor
infraclassPteriomorphia(Beurlen 1944)
—OstreomorphiFerussac 1822
—ArcioniGray 1854
orderCyrtodontidaScarlato and Starobogatov 1971
—CyrtodontidinaScarlato and Starobogatov 1971
superfamilyCyrtodontoidea(Ulrich 1894)
familyCyrtodontidae
genusWhitella
speciessigmoidea(Billings 1858)

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.

†Whitella sigmoidea Billings 1858
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Diagnosis
No diagnoses are available