Definitions
from The Century Dictionary.
- Same as
Crossopterygia .
from the GNU version of the Collaborative International Dictionary of English.
- noun plural (Zoöl.) An order of ganoid fishes including among living species the bichir (Polypterus). See
brachioganoidei .
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- noun fishes having paired fins resembling limbs and regarded as ancestral to amphibians
Etymologies
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Examples
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chained_bear commented on the word crossopterygii
"Lobe-finned fish appeared during the Silurian period (roughly 420 million years ago). The Coelacanth and the extinct Rhipidistians are examples of lobe-finned fish." (enchantedlearning.com)
Edit: now called Sarcopterygii. (?)
August 29, 2008