Harman Patil (Editor)

Cumingsoceras

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Kingdom  Animalia
Class  Cephalopoda
Family  â€ Uranoceratidae
Phylum  Mollusca
Order  â€ Tarphycerida
Rank  Genus
Similar  Goldringia, Estonioceras, Kionoceras, Geisonoceras, Cyrtoceras

Cummingsoceras is a genus of barrandeoceroids within the Tarphycerida, included in the family Uranoceratidae. Its shell is a rapidly expanding gyrocone of about 1.5 narrowly separated whorls.

The surface is faintly cancellated by slight longitudinal lines that cross growth lines which define a deep hyponmic sinus. The siphuncle is small, subcentral, and with recumbent necks.

Cummingsoceras is known from the middle Silurian of Indiana and Illinois.

References

Cumingsoceras Wikipedia


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Cyrtoceras
Estonioceras
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