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Ichthyosaurus
(redirected from Proteosaurus)

   Also found in: Wikipedia 0.01 sec.
ich·thy·o·saur  (kth--sôr) also ich·thy·o·sau·rus (kth--sôrs)
n. pl. ich·thy·o·saurs also ich·thy·o·sau·ri (-sôr)
Any of various extinct fishlike marine reptiles of the order Ichthyosauria of the Triassic Period to the Cretaceous Period, having a porpoiselike head and an elongated, toothed snout.

[From New Latin ichthyosaurus : Greek ikhthuo-, ichthyo- + Greek sauros, lizard.]
ThesaurusLegend:  Synonyms Related Words Antonyms
Noun1.Ichthyosaurus - ichthyosaurs of the Jurassicichthyosaurus - ichthyosaurs of the Jurassic        
ichthyosaur - any of several marine reptiles of the Mesozoic having a body like a porpoise with dorsal and tail fins and paddle-shaped limbs
genus Ichthyosaurus - type genus of the Ichthyosauridae


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