ichthyosaur
Any fishlike marine reptiles of the extinct order †Ichthyosauria of the early Triassic to the late Cretaceous period, that had a body somewhat like a porpoise.
Related words
- ichthyosauriform
Where this comes from
This definition is adapted from “ichthyosaur” on Wiktionary, by its contributors, published under CC BY-SA 4.0. This page is published under the same licence.