Trimeroceratidae is a family of molluscs in the order Oncocerida. These molluscs were fast-moving nektobenthic carnivores. They lived in the Silurian period.
Distribution
Species have been found in Silurian-era strata of Canada (Québec), China, Czechia, Italy, Russia, Sweden, and the United States (Indiana, Wisconsin).
Genus Clathroceras Eotrimeroceras Inversoceras Jeppssonoceras Patagiumoceras Pentameroceras Plemeroceras Simonssoceras Stenogomphoceras Trimeroceras
See also List of nautiloids
References Paleobiology Database