HyperDic: jawless_vertebrate

English > 1 sense of the expression jawless vertebrate:
NOUNanimaljawless vertebrate, jawless fish, agnathaneel-shaped vertebrate without jaws / jaws or paired appendages including the cyclostomes and some extinct forms
English > jawless vertebrate: 1 sense > noun 1, animal
Meaningeel-shaped vertebrate without jaws / jaws or paired appendages including the cyclostomes and some extinct forms.
Synonymsjawless fish, agnathan
Member ofAgnatha, superclass Agnathasuperclass of eel-shaped chordates lacking jaws / jaws and pelvic fins
NarroweranaspidExtinct small freshwater jawless fish usually having a heterocercal tail and an armored head
conodontsmall (2 inches long) extinct eellike fish with a finned tail and a notochord and having cone-shaped teeth containing cellular bone
cyclostomePrimitive aquatic vertebrate
hagfish, hag, slime eelseellike cyclostome having a tongue with horny teeth in a round mouth surrounded by eight tentacles
heterostracanExtinct jawless fish with the anterior part of the body covered with bony plates
lamprey, lamprey eel, lamper eelPrimitive eellike freshwater or anadromous cyclostome having round sucking mouth with a rasping tongue
osteostracan, cephalaspidExtinct jawless fish of the Devonian with armored head
ostracodermExtinct fish-like jawless vertebrate having a heavily armored body
Broaderaquatic vertebrateanimal living wholly or chiefly in or on water
Spanishagnato
Catalanàgnat

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