Associations to the word «Synapsida»

Wiktionary

SYNAPSIDA, proper noun. A taxonomic subclass, within class Reptilia (or a class or clade within superclass Tetrapoda) - the extinct “mammal-like” reptiles and the mammals.

Dictionary definition

SYNAPSIDA, noun. Extinct reptiles of the Permian to Jurassic considered ancestral to mammals.

Wise words

In words, as fashions, the same rule will hold; Alike fantastic, if too new, or old: Be not the first by whom the new are tried, Nor yet the last to lay the old aside.
Alexander Pope