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actinopterygian

American

[ak-tuh-nop-tuh-rij-ee-uhn] / ˌæk təˌnɒp təˈrɪdʒ i ən /

adjective

belonging or pertaining to the Actinopterygii, a group of bony fishes.

noun

an actinopterygian fish.

actinopterygian Scientific

/ ăk′tə-nŏp′tə-rĭj′ē-ən /

See ray-finned fish

Etymology

Origin of actinopterygian

< New Latin Actinopterygi ( i ) (plural) ( actino- actino- + Greek pterýgi ( on ) fin, equivalent to pteryg- (stem of ptéryx wing) + -ion diminutive suffix) + -an

Example Sentences

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actinopterygian

Cheirolepis, found in the Old Red of Scotland and Canada, is the only Devonian representative of the actinopterygian fishes.

From Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 3 "Destructors" to "Diameter" by Various

Major adaptive levels in the evolution of the actinopterygian feeding mechanism.

From A New Genus of Pennsylvania Fish (Crossoperygii, Coelacanthiformes) from Kansas by Joan Echols

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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023