crossopterygian Hear it!

crossopterygian definition

cros·sop·te·ryg·ian (krə säp′tə rij′ē ən, krä-)

noun

any coelacanth: thought to be the precursors of amphibians

Etymology: < ModL Crossopterygii, name of the group (< Gr krossoi, fringe + pteryx, fin, wing: see pterygoid) + -an

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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