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Ichthyosaur   Listen
Ichthyosaur

noun
1.
Any of several marine reptiles of the Mesozoic having a body like a porpoise with dorsal and tail fins and paddle-shaped limbs.



Related searches:
Ichthyosauria
ichthyosaurus
order Ichthyosauria


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"Ichthyosaur" Quotes from Famous Books



... propeller, while a large dorsal fin was developed as a cutwater. The primitive biconcave vertebrae of the fish and of the early land vertebrates were retained, and the limbs degenerated into short paddles. The skin of the ichthyosaur was smooth like that of a whale, and its food was largely fish and cephalopods, as the fossil contents of its ...
— The Elements of Geology • William Harmon Norton


Words linked to "Ichthyosaur" :   archosaur, Stenopterygius quadrisicissus, stenopterygius, order Ichthyosauria, ichthyosaurus, archosaurian reptile, archosaurian


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