- Cumingsoceras
-
Cumingsoceras
Temporal range: Middle SilurianScientific classification Kingdom: Animalia Phylum: Mollusca Class: Cephalopoda Subclass: Nautiloidea Order: †Tarphycerida Family: †Uranoceratidae Genus: †Cumingsoceras
Flower, 1950Cummingsoceras is a barrandeoceroid genus 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
- Sweet, Walter C. 1964. Nautiloidea-Barrandeocerida. Treatise on Invertebrate Paleontology, Part K. Geol Soc of America and Univ Kansas Press.
This article related to nautiloids is a stub. You can help Wikipedia by expanding it. This prehistoric cephalopod-related article is a stub. You can help Wikipedia by expanding it.