Isospondyli

Definitions

  • WordNet 3.6
    • n Isospondyli most primitive teleost fishes; all are soft-finned: salmon; trout; herring; shad; sardines; anchovies; whitefish; smelts; tarpon
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Webster's Revised Unabridged Dictionary
    • n. pl Isospondyli (Zoöl) An extensive order of fishes, including the salmons, herrings, and many allied forms.
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Century Dictionary and Cyclopedia
    • isospondyli An order of physostomous fishes with no precoracoid arch, the scapular arch suspended to the cranium, a symplectic bone, the pterotic and anterior vertebræ simple, and the parietals separated by the supraoccipital. The order includes most malacopterygian fishes.
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Etymology

Webster's Revised Unabridged Dictionary
NL., fr. Gr. 'i`sos equal + , , a vertebra