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Definisjon av agnathan

Vi fant 3 definisjoner av agnathan på engelsk.

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WordNet WordNet by Princeton University

Noun
agnathan - eel-shaped vertebrate without jaws or paired appendages including the cyclostomes and some extinct forms
jawless vertebrate, jawless fish
aquatic vertebrate animal living wholly or chiefly in or on water
agnatha, superclass agnatha superclass of eel-shaped chordates lacking jaws and pelvic fins: lampreys; hagfishes; some extinct forms
ostracoderm extinct fish-like jawless vertebrate having a heavily armored body; of the Paleozoic
heterostracan extinct jawless fish with the anterior part of the body covered with bony plates; of the Silurian and Devonian
cephalaspid, osteostracan extinct jawless fish of the Devonian with armored head
anaspid extinct small freshwater jawless fish usually having a heterocercal tail and an armored head; of the Silurian and Devonian
conodont small (2 inches long) extinct eellike fish with a finned tail and a notochord and having cone-shaped teeth containing cellular bone; late Cambrian to late Triassic; possible predecessor of the cyclostomes
cyclostome primitive aquatic vertebrate
lamper eel, lamprey, lamprey eel primitive eellike freshwater or anadromous cyclostome having round sucking mouth with a rasping tongue
= synonym
= antonym
= relatert ord

Wiktionary Wiktionary dictionary logo

Substantiv
agnathan - A member of the superclass Agnatha of jawless vertebrates.

Adjektiv
agnathan - Belonging or pertaining to the superclass Agnatha, the jawless vertebrates.

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