First Known Use: 1895
Dictionary
cotylosaur
noun co·ty·lo·saur \ˈkä-tə-lō-ˌsȯr, kə-ˈti-lə-\
Definition of COTYLOSAUR
: any of an order (Cotylosauria) of extinct primitive reptiles of the Carboniferous to Triassic with short legs and massive bodies that were probably the earliest truly terrestrial vertebrate animals
ADVERTISEMENT
Origin of COTYLOSAUR
ultimately from Greek kotylē + sauros lizard
Browse
Next Word in the Dictionary: CotylosauriaPrevious Word in the Dictionary: cotylophorousAll Words Near: cotylosaur
ADVERTISEMENT
Seen & Heard
What made you want to look up cotylosaur? Please tell us where you read or heard it (including the quote, if possible).