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Synset

extinct reptiles of the Permian to Jurassic considered ancestral to mammals
<noun.animal>

Synapsida more info
subclass Synapsida more info
semantic pointers
member holonym
Reptilia, class Reptilia
hypernym
class
member meronym
Therapsida, order Therapsida Ictodosauria, order Ictodosauria Pelycosauria, order Pelycosauria