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Noun: ichthyosaur  'iktheeu`sor
  1. Any of several marine reptiles of the Mesozoic having a body like a porpoise with dorsal and tail fins and paddle-shaped limbs

Derived forms: ichthyosaurs

Type of: archosaur, archosaurian, archosaurian reptile

Part of: Ichthyosauria, order Ichthyosauria

Encyclopedia: Ichthyosaur

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