We found 3 definitions of ichthyosaurs from 2 different sources.
NounPlural: ichthyosaurs |
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ichthyosaur - any of several marine reptiles of the Mesozoic having a body like a porpoise with dorsal and tail fins and paddle-shaped limbs | ||
archosaur, archosaurian, archosaurian reptile extinct reptiles including: dinosaurs; plesiosaurs; pterosaurs; ichthyosaurs; thecodonts | ||
ichthyosauria, order ichthyosauria extinct marine reptiles: ichthyosaurs | ||
ichthyosaurus ichthyosaurs of the Jurassic |