Noun Acanthopterygii Definition and Examples


Noun:

Acanthopterygii

Pronunciation:

/ˌakənˌθɒptəˈrɪdʒɪʌɪ/

Definition:
1.

noun

Treated as plural. A class (or subclass) of bony fishes comprising the ray-finned fishes, characterized by having hard and spiny rays in the dorsal fins.
    ((n. pl.) An order of fishes having some of the rays of the dorsal, ventral, and anal fins unarticulated and spinelike, as the perch.)


    Origin:
    Mid 18th century; earliest use found in John Hill (bap. 1714, d. 1775), physician and actor. From post-classical Latin Acanthopterygii, plural noun (P. Artedi Ichthyologia 86) from acantho- + -pterygii.

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