Ichthyosaurus

Definition:

  • (n.) An extinct genus of marine reptiles; -- so named from their short, biconcave vertebrae, resembling those of fishes. Several species, varying in length from ten to thirty feet, are known from the Liassic, Oolitic, and Cretaceous formations.

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ichthyology vs. ichthyosaurus

ichthyosaur vs. ichthyosaurus

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cretaceous vs. ichthyosaurus

ichthyosaurus vs. triassic

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ichthyosaurus vs. reptile

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fish vs. ichthyosaurus

extinct vs. ichthyosaurus