New Hours of Operation. Click here for details.
Avimimus Skull Cast. Late Cretaceous. 70 MYA. Theropod. Avimimus name means "Bird Mimic". Avimimus belongs to genus of Oviraptorosaurian. Avimimus are a small bird-like dinosaur about 3 ft. tall and 5 ft. long. Skull Length: 7.5 cm.