Found 2 items, similar to ictodosaur.
English → English (WordNet) Definition: ictodosaur ictodosaur n : intermediate in form between the therapsids and most primitive true mammals
English → English (gcide) Definition: ictodosaur ictodosaur \ictodosaur\ n. An extinct reptile intermediate in form between the therapsids and most primitive true mammals. [WordNet 1.5]