1. ichthyosaur

noun. any of several marine reptiles of the Mesozoic having a body like a porpoise with dorsal and tail fins and paddle-shaped limbs.


  • stenopterygius
  • Stenopterygius quadrisicissus
  • archosaur
  • ichthyosaurus
  • archosaurian
  • order Ichthyosauria
  • Ichthyosauria

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Sentences with ichthyosaur

1. Noun, singular or mass
The giant ichthyosaur Shonisaurus sikanniensis measured around 21 meters or about 70 feet in length, making it the largest extinct ocean animal.