Dictionary
ac•ti•nop•te•ryg•i•an
Pronunciation: (ak"tu-nop"tu-rij'ē-un), [key]—
adj.
belonging or pertaining to the Actinopterygii, a group of bony fishes.
—
n.
an actinopterygian fish.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.