Plesiosaurus — synonyms, definition

1. plesiosaurus (Noun)

1 synonym
plesiosaur
1 definition

plesiosaurus (Noun) — Extinct marine reptile with a small head on a long neck a short tail and four paddle-shaped limbs; of the Jurassic and Cretaceous.

3 types of
archosaur archosaurian archosaurian reptile
1 part of
genus Plesiosaurus