Ichthyopterygia

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plural noun

Ich·​thy·​op·​te·​ryg·​ia

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

Ichthyopterygia

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"

taxonomic synonym of ichthyosauria

Word History

Etymology

Plural noun

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

New Latin, from ichthy- + Greek pterygia

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