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ichthyosauria


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(class Reptilia, subclass Ichthyopterygia)

Order of so-called ‘fish lizards’, and the only order in the sub-class, the first members of the group date from the Triassic and were primitive in type. The typical, shark-like form, Ichthyosaurus, appeared in the Jurassic, when the group in general was especially common. Ichthyosaurs disappeared before the end of the Cretaceous.

Subjects: Zoology and Animal Sciences — Earth Sciences and Geography.


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