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plural noun

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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taxonomic synonym of ichthyosauria

Word History


Plural noun

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

New Latin, from ichthy- + Greek pterygia

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Dictionary Entries Near Ichthyopterygia

Cite this Entry

“Ichthyopterygia.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Ichthyopterygia. Accessed 24 Mar. 2023.

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