English dictionary



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English noun: subclass Synapsida

1. subclass Synapsida (animal) extinct reptiles of the Permian to Jurassic considered ancestral to mammals


SynonymsSynapsida


Broader (hypernym)class


Member holonymIctodosauria, order Ictodosauria, order Pelycosauria, order Therapsida, Pelycosauria, Therapsida


Member meronymclass Reptilia, Reptilia









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