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Definitions for
"Crossopterygii"
Keywords:
ganoid
,
polypterus
,
bichir
,
brachioganoidei
,
ancestral
An order of ganoid fishes including among living species the bichir (Polypterus). See Brachioganoidei.
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fishes having paired fins resembling limbs and regarded as ancestral to amphibians
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