plural noun

Definition of Ichthyopterygia

 (Entry 1 of 2)

in some classifications
: a subclass of fossil aquatic reptiles occurring from the late Carboniferous through the Jurassic and including the small freshwater Mesosauria and the extremely ichthyoid Ichthyosauria


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Definition of Ichthyopterygia (Entry 2 of 2)

taxonomic synonym of ichthyosauria

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History and Etymology for Ichthyopterygia

Plural noun

New Latin, from ichthy- + Greek pterygia, plural of pterygion fin

New Latin, from ichthy- + Greek pterygia

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