Dinosaurs · Large theropod

Anserimimus

Say it ANN-ser-ih-mee-muss. The name means ‘goose mimic’.

Anserimimus beside a person 1.75 m tall. Ticks mark every metre.Body shape drawn for this site, showing the general build of large theropods

Length: 3.5 m
Diet: Meat-eater
When: Late Cretaceous84 to 66 million years ago
Fossils found in: Mongolia
Named by: Barsbold (1988)
Family tree: Dinosauria › Saurischia › Theropoda › Ornithomimosauria › Ornithomimidae

Where Anserimimus sits in the age of dinosaurs.Periods from the ICS chart; dinosaur dates from the Natural History Museum

Large theropods. Big two-legged meat-eaters, such as Tyrannosaurus. See all 63

Lived at the same time

Borogovia · same country
Microceratus · same country
Alectrosaurus · same country
Prenocephale · same country
Mononykus · same country
Oviraptor · same country
Citipati · same country
Goyocephale · same country

Other large theropods

Aucasaurus Late Cretaceous
Dryptosaurus Late Cretaceous
Majungasaurus Late Cretaceous
Nanshiungosaurus Late Cretaceous
Gorgosaurus Late Cretaceous
Alectrosaurus Late Cretaceous
Albertosaurus Late Cretaceous
Daspletosaurus Late Cretaceous

Source: Anserimimus in the Natural History Museum Dino Directory, read 12 November 2026. Sizes are the museum's estimates for a typical adult. "Lived at the same time" lists dinosaurs whose dates overlap, which does not always mean they met.