jawless fish

[1965-70; JAW1 + -LESS]

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      any of numerous primitive, fishlike, jawless vertebrates comprising the class Agnatha, which includes the lampreys, hagfishes, and some extinct groups. See hagfish; lamprey.

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Universalium. 2010.

Look at other dictionaries:

  • jawless fish — [jô′lis] n. any of a class (Agnatha) of fishes with a cartilaginous skeleton, an eel like body, and a circular, sucking mouth lacking jaws, consisting of the lampreys and hagfishes …   English World dictionary

  • jawless fish — noun eel shaped vertebrate without jaws or paired appendages including the cyclostomes and some extinct forms • Syn: ↑jawless vertebrate, ↑agnathan • Hypernyms: ↑aquatic vertebrate • Hyponyms: ↑ostracoderm, ↑ …   Useful english dictionary

  • jawless fish — noun Date: circa 1941 any of the taxonomic group (Agnatha) of primitive vertebrates without jaws including cyclostomes and extinct related forms compare bony fish, cartilaginous fish …   New Collegiate Dictionary

  • jawless fish — jaw′less fish n. 1) ich Also called cyclostome any fish of the class Agnatha (and order Cyclostomata), characterized by a circular sucking mouth that lacks jaws. 2) pal ostracoderm • Etymology: 1965–70 …   From formal English to slang

  • List of prehistoric jawless fish — This list of prehistoric jawless fish is an attempt to create a comprehensive listing of all genera from the fossil record that have ever been considered to be jawless fish, excluding purely vernacular terms. The list includes all commonly… …   Wikipedia

  • Fish — are aquatic vertebrate animals that are typically ectothermic (previously cold blooded), covered with scales, and equipped with two sets of paired fins and several unpaired fins. Fish are abundant in the sea and in fresh water, with species being …   Wikipedia

  • fish — [[t]fɪʃ[/t]] n. pl. (esp. collectively)fish, (esp. for kinds or species)fish•es 1) ich any of various cold blooded, aquatic vertebrates having gills, commonly fins, and typically an elongated body covered with scales: includes three unrelated… …   From formal English to slang

  • jawless vertebrate — noun eel shaped vertebrate without jaws or paired appendages including the cyclostomes and some extinct forms • Syn: ↑jawless fish, ↑agnathan • Hypernyms: ↑aquatic vertebrate • Hyponyms: ↑ostracoderm, ↑heterostrac …   Useful english dictionary

  • Fish — /fish/, n. Hamilton, 1808 93, U.S. statesman: secretary of state 1869 77. * * * I Any of more than 24,000 species of cold blooded vertebrates found worldwide in fresh and salt water. Living species range from the primitive lampreys and hagfishes… …   Universalium

  • fish — [fish] n. pl. fish; in referring to different species, fishes [ME < OE fisc, akin to Ger fisch, Du visch < IE base * pisk > L piscis] 1. any of three classes (jawless, cartilaginous, and bony fishes) of coldblooded vertebrate animals… …   English World dictionary

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