Ichthyosauria


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Related to Ichthyosauria: Ichthyopterygia

Ichthyosauria

[‚ik·thē·ə′sȯr·ē·ə]
(paleontology)
The only order of the reptilian subclass Ichthyopterygia, comprising the extinct predacious fish-lizards; all were adapted to a sea life in having tail flukes, paddles, and dorsal fins.