jawless

jawless
Lacking a jaw.

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  • 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 — cyclostome. [1965 70; JAW1 + LESS] * * *       any of numerous primitive, fishlike, jawless vertebrates comprising the class Agnatha, which includes the lampreys, hagfishes, and some extinct groups. See hagfish; lamprey. * * * …   Universalium

  • 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 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

  • jawless — fishes lacking jaws are vastly outnumbered by jawed fishes. The living Agnatha, hagfishes and lampreys, number about 108 species. This is a paraphyletic group and, as well as lacking jaws in contrast to the jawed fishes, also lacks pectoral and… …   Dictionary of ichthyology

  • jawless — See jaw. * * * …   Universalium

  • jawless — jaw·less jȯ ləs adj having no jaw …   Medical dictionary

  • jawless — adj. lacking a jaw (especially a lower jaw) …   English contemporary dictionary

  • jawless — jaw·less …   English syllables

  • jawless — adjective of animals having no jaw • Ant: ↑jawed …   Useful english dictionary

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