pelycosauria
English Thesaurus
1. edaphosaurus; dimetrodon (noun.animal)
| hypernym | : | animal order, |
| definition | : | the order of animals (noun.animal) |
| member holonym | : | pelycosaur, |
| definition | : | large primitive reptile having a tall spinal sail; of the Permian or late Paleozoic in Europe and North America (noun.animal) |
| member holonym | : | genus dimetrodon, |
| definition | : | a reptile genus of Pelycosauria (noun.animal) |
| member meronym | : | subclass synapsida, synapsida, |
| definition | : | extinct reptiles of the Permian to Jurassic considered ancestral to mammals (noun.animal) |
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