| Trimeroceratidae Temporal range: | |
|---|---|
| | |
| Inversoceras perversum, Barrande from Prague Zadní Kopanina (Czech Republic) at the National Museum (Prague) | |
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Cephalopoda |
| Subclass: | Nautiloidea |
| Order: | † Oncocerida |
| Family: | † Trimeroceratidae Hyatt and Zittel 1900 |
Trimeroceratidae is a family of molluscs in the order Oncocerida. These molluscs were fast-moving nektobenthic carnivores. They lived in the Silurian period.
Species have been found in Silurian-era strata of Canada (Québec), China, Czechia, Italy, Russia, Sweden, and the United States (Indiana, Wisconsin).