Sentido | eel-shaped vertebrate without jaws / jaws or paired appendages including the cyclostomes and some extinct forms. |
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Miembro de | agnatos | superclass of eel-shaped chordates lacking jaws / jaws and pelvic fins |
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Específico | anaspid | Extinct small freshwater jawless fish usually having a heterocercal tail and an armored head |
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cephalaspid, osteostracan | Extinct jawless fish of the Devonian with armored head |
ciclóstomo | Primitive aquatic vertebrate |
conodonta | small (2 inches long) extinct eellike fish with a finned tail and a notochord and having cone-shaped teeth containing cellular bone |
heterostracan | Extinct jawless fish with the anterior part of the body covered with bony plates |
lamprea | Primitive eellike freshwater or anadromous cyclostome having round sucking mouth with a rasping tongue |
mixino, myxini | eellike cyclostome having a tongue with horny teeth in a round mouth surrounded by eight tentacles |
ostracodermi, ostracoderm | Extinct fish-like jawless vertebrate having a heavily armored body |
General | vertebrado acuático | animal living wholly or chiefly in or on water |
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Inglés | jawless vertebrate, jawless fish, agnathan |
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Catalán | àgnat |
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