Ohioceras

Ohioceras
Temporal range: M Silurian
Scientific classification
Kingdom: Animalia
Phylum: Mollusca
Class: Cephalopoda
Order: †Orthocerida
Family: †Kionoceratidae
Genus: †Ohioceras
Shimazu & Obata, 1935

Ohioceras is an extinct genus of suborthochonic nautiloids from the Silurian of Ohio belonging to the orthoceroid family Kionoceratidae.

Ohioceras is characterized by a slightly curved longiconic shell with a circular to slightly depressed cross-section. The surface is lined with broad, low, longitudinal ribs separated by distinct shallow grooves. The siphuncle is subcentral, apparently orthochoanitic.

References

This article is issued from Wikipedia. The text is available under Creative Commons Attribution-Share Alike 4.0 unless otherwise noted. Additional terms may apply for the media files.