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Meaning of SYNAPSIDA

 
WordNet Dictionary
 
 Definition: 
[n]  extinct reptiles of the Permian to Jurassic considered ancestral to mammals
 

SYNAPSIDA is a 9 letter word that starts with S.

 

 Synonyms: subclass Synapsida
 
 See Also: class, class Reptilia, Ictodosauria, order Ictodosauria, order Pelycosauria, order Therapsida, Pelycosauria, Reptilia, Therapsida

 

 

 

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