Inversoceras is a genus of cephalopods in the order Oncocerida and the family Trimeroceratidae. These mollusks were fast-moving nektobenthic carnivores. They lived in the Silurian period, from the Lower Wenlock age (428.2 ± 1.5 to 422.9 ± 2.8 mya) to the Ludlow age (422.9 ± 1.5 to 418.7 ± 2.8 mya).
Distribution Silurian of Sweden, United States (Wisconsin).
Species Inversoceras falciformis (Barrande 1865) Inversoceras percurvatum Foerste 1926 Inversoceras perversum eoperversum Stridsberg 1988 Inversoceras perversum falciformis (Barrande 1865) Inversoceras perversum perversum (Barrande 1865)
See also List of nautiloids
References Biolib Global Names Paleobiology Database Sepkoski, Jack Sepkoski's Online Genus Database Sven Stridsberg Evolution Within the Silurian Cephalopod Genus Inversoceras