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Crossopterygii

   Also found in: Wikipedia, Hutchinson 0.02 sec.
Cros`sop`te`ryg´i`i    (kr?s-s?p`t?-r?j?-?)
n. pl.1.(Zool.) An order of ganoid fishes including among living species the bichir (Polypterus). See Brachioganoidei.
ThesaurusLegend:  Synonyms Related Words Antonyms
Noun1.Crossopterygii - fishes having paired fins resembling limbs and regarded as ancestral to amphibians
subclass Crossopterygii
class Osteichthyes, Osteichthyes - a class of fish having a skeleton composed of bone in addition to cartilage
crossopterygian, lobe-finned fish, lobefin - any fish of the order Crossopterygii; most known only in fossil form
family Latimeridae, Latimeridae - extinct except for the coelacanth
class - (biology) a taxonomic group containing one or more orders
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