Science Dictionary
acanthopterygian   (āk'ən-thŏp'tə-rĭj'ē-ən)  Pronunciation Key 
Any of a large group of teleost fishes of the superorder Acanthopterygii, having spiny rays in the dorsal and anal fins and including the bass, perch, mackerel, and swordfish.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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