jawless
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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
