order Ichthyosauria


Also found in: Thesaurus.
Related to order Ichthyosauria: order Pterosauria, plesiosaurs
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.order Ichthyosauria - extinct marine reptiles: ichthyosaursorder Ichthyosauria - extinct marine reptiles: ichthyosaurs
animal order - the order of animals
Archosauria, subclass Archosauria - a large subclass of diapsid reptiles including: crocodiles; alligators; dinosaurs; pterosaurs; plesiosaurs; ichthyosaurs; thecodonts
ichthyosaur - any of several marine reptiles of the Mesozoic having a body like a porpoise with dorsal and tail fins and paddle-shaped limbs
family Ichthyosauridae, Ichthyosauridae - later ichthyosaurs of the Jurassic and Cretaceous; widely distributed in both hemispheres