English dictionary

Ichthyosauria

Definitions, examples, synonyms and antonyms from WordNet 3.0.

noun

extinct marine reptiles: ichthyosaurs

noun.animal

Synonyms order ichthyosauria

Source: WordNet 3.0
An extinct order of marine reptiles, including Ichthyosaurus and allied forms; -- called also <i>Ichthyopterygia</i>. They have not been found later than the Cretaceous period.

noun

Source: webster1913