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Crossopterygian

adj, noun

Definitions

Adjective
  1. 1
    Of or pertaining to the Crossopterygii, an infraclass of bony fish. not-comparable

    "One consequence was that the crossopterygian fishes (distantly related to the famous ‘living fossil’ coelacanth Latimeria) were dethroned from their privileged position as ancestors."

Noun
  1. 1
    One of the Crossopterygii.
  2. 2
    any fish of the order Crossopterygii; most known only in fossil form wordnet

Etymology

Etymology 1

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

Etymology 2

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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