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Cyclonema varispirum

Gastropoda - Euomphalina - Platyceratidae

Taxonomy
Cyclonema varispirum was named by Twenhofel (1928). It is not extant. Its type locality is Makasti Bay, 79-228 feet from base of formation, which is in a Richmondian carbonate limestone/shale in the English Head Formation of Canada.

Sister species lacking formal opinion data
C. zetes

Synonymy list
YearName and author
1928Cyclonema varispirum Twenhofel
1970Cyclonema varispirum Thompson p. 269
2023Cyclonema varispirum Wagner p. 4868

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
phylumMollusca
RankNameAuthor
classGastropoda
subclassEogastropoda
orderEuomphalina
superfamilyPlatyceratoidea()
familyPlatyceratidae
genusCyclonema
speciesvarispirum

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.

†Cyclonema varispirum Twenhofel 1928
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Diagnosis
No diagnoses are available