plesiosaurus

Any of the genus †Plesiosaurus of extinct long-necked marine reptiles from the Early Jurassic.

Noun

  1. Any of the genus †Plesiosaurus of extinct long-necked marine reptiles from the Early Jurassic.
    • "Plesiosaurus! A fresh-water plesiosaurus!" cried Summerlee. - 1912, Arthur Conan Doyle, The Lost World […], London; New York, N.Y.: Hodder and Stoughton, →OCLC:

Forms

plesiosauruses plesiosauri