thalattosaur

English

Noun

thalattosaur (plural thalattosaurs)

1. A prehistoric marine reptile of the extinct order †Thalattosauria.
   • 2012, Winand Brinkmann, Kenneth De Baets, editors, Paleontological Museum of the University of Zürich: Exhibition Guide, Paleontological Institute and Museum of the University of Zürich, →ISBN, page 75:

     The preferred habitat of the thalattosaurs was apparently the sea.