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Synapsidasubclass Synapsidaclassorder TherapsidaTherapsidaIctodosauriaorder Ictodosauriaorder PelycosauriaPelycosauriaclass ReptiliaReptilia

Synapsida

noun

1 Synapsida

Extinct reptiles of the Permian to Jurassic considered ancestral to mammals.

synonym: subclass Synapsida.

Polish: synapsydy


Find more on synapsida elsewhere: etymology - rhymes - Wikipedia.

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