crossopterygian

English dictionary entry

Meanings

adj
  1. Of or pertaining to the Crossopterygii, an infraclass of bony fish.
noun
  1. One of the Crossopterygii.

Word forms

crossopterygian crossopterygians

Etymology

From Crossopterygia + -an, Greek krossoí “tassels, fringe” + -o- + pterýgion “little wing or fin,” equivalent to pteryg- (stem of pterýx) “wing, fin” + -ion + -an.

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