order therapsida is a noun meaning "extinct mammal-like reptiles found inhabiting all continents from the mid Permian to late Triassic". It carries one recorded sense.
extinct mammal-like reptiles found inhabiting all continents from the mid Permian to late Triassic
Definitions, synonyms and semantic relations for order therapsida come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.