Ichthyosauridae

plural noun
Ich·​thyo·​sau·​ri·​dae

Definition of Ichthyosauridae

: a family of ichthyosaurs widely distributed in Jurassic and Cretaceous rocks of both hemispheres — see ichthyosaurus

History and Etymology for Ichthyosauridae

New Latin, from Ichthyosaurus, type genus + -idae

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