Definitions for

Overview of noun synapsida

The noun synapsida has 1 senses? (no senses from tagged texts)
1. Synapsida, subclass Synapsida

(extinct reptiles of the Permian to Jurassic considered ancestral to mammals) © 2001-2013, Demand Media, all rights reserved. The database is based on Word Net a lexical database for the English language. see disclaimer
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