ichthyosauria

Ich`thy*o*sau"ri*a, n. pl. Etym: [NL. See Ichthyosaurus.] (Paleon.) Defn: An extinct order of marine reptiles, including Ichthyosaurus and allied forms; -- called also Ichthyopterygia. They have not been found later than the Cretaceous period.

ichthyosauria - Similar Words

ichthyosaurian ichthyosaur ichthyosaurus ichthyopsida ichthyosis ornithosauria ichthyornis ichthyoidal thysanura ichthyoid