Found 2 items, similar to Ichthyosauria.
English → English (WordNet) Definition: Ichthyosauria Ichthyosauria n : extinct marine reptiles: ichthyosaurs [syn: order Ichthyosauria ]
English → English (gcide) Definition: Ichthyosauria Ichthyosauria \Ich`thy*o*sau"ri*a\, n. pl. [NL. See Ichthyosaurus.] (Paleon.) An extinct order of marine reptiles, including Ichthyosaurus and allied forms; -- called also Ichthyopterygia. They have not been found later than the Cretaceous period. [1913 Webster]