Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun ichthyosaur

1 sense of ichthyosaur

Sense 1
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)