ichthyosauria

Noun
  1. Extinct marine reptiles: ichthyosaurs (synset 101726696)
    is a type of: animal order - the order of animals
    member holonym:
    • 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
    belongs to: archosauria, subclass archosauria - a large subclass of diapsid reptiles including: crocodiles; alligators; dinosaurs; pterosaurs; plesiosaurs; ichthyosaurs; thecodonts
    same as: order ichthyosauria

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