Definition of Ostariophysi
: a large order or other division of teleost fishes (as the characin, carp, catfish) having the anterior four vertebrae strongly modified and often grown together and supporting a chain of small bones which connect the air bladder with the ear
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Origin and Etymology of ostariophysi
New Latin, from ostario- (from Greek ostarion small bone, diminutive of osteon bone) + -physi (from Greek physa bellows, bladder) — more at pustule
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