Trimeroceratidae

{{short description|Extinct family of molluscs}}

{{Taxobox

| name = Trimeroceratidae

| fossil_range = {{fossil_range|Silurian}}

| image = Nautiloidea - Inversoceras perversum.JPG

| image_caption = Inversoceras perversum, Barrande from Prague Zadní Kopanina (Czech Republic) at the National Museum (Prague)

| regnum = Animalia

| phylum = Mollusca

| classis = Cephalopoda

| subclassis = Nautiloidea

| ordo = Oncocerida

| familia = Trimeroceratidae

| familia_authority = 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.