Dictionary
cros•sop•te•ryg•i•an
Pronunciation: (kro-sop"tu-rij'ē-un), [key]—
n.
any fish of the group Crossopterygii, extinct except for the coelacanth, regarded as being ancestral to amphibians and other land vertebrates.
—
adj.
pertaining to or resembling a crossopterygian.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.