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{%type%} Definitions

WordNet 3.0Copyright Princeton University
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Of or relating to superorder of Choanichthyes comprising the lobe-finned fishes that have existed since the Devonian but are now largely extinct.

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Usage examples (3)
  • Of particular importance is the presence of the crossopterygian group, typified by Eusthenopteron foordi and Elpistostege watsoni.
  • Look at the comparison of the oldest known amphibian skeleton, Ichthyostega IK-the-o-STAY-ga, with a crossopterygian fish shown in Figure 4-8.
  • Important specimens include Legendrelepis parenti of the agnatha fish group and unique to the Escuminac Formation; Diplocanthus horridus of the acanthodian fish group, and the...
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