jawless_vertebrate (HyperDic hyper-dictionary)

English > 1 sense of the expression *jawless vertebrate*:
NOUN	animal	jawless vertebrate, jawless fish, agnathan	eel-shaped vertebrate without jaws / jaws or paired appendages including the cyclostomes and some extinct forms

English > *jawless vertebrate*: 1 sense > noun 1, animal
Meaning	eel-shaped vertebrate without jaws / jaws or paired appendages including the cyclostomes and some extinct forms.
Synonyms	jawless fish, agnathan
Member of	Agnatha, superclass Agnatha	superclass of eel-shaped chordates lacking jaws / jaws and pelvic fins
Narrower	anaspid	Extinct small freshwater jawless fish usually having a heterocercal tail and an armored head
	conodont	small (2 inches long) extinct eellike fish with a finned tail and a notochord and having cone-shaped teeth containing cellular bone
	cyclostome	Primitive aquatic vertebrate
	hagfish, hag, slime eels	eellike cyclostome having a tongue with horny teeth in a round mouth surrounded by eight tentacles
	heterostracan	Extinct jawless fish with the anterior part of the body covered with bony plates
	lamprey, lamprey eel, lamper eel	Primitive eellike freshwater or anadromous cyclostome having round sucking mouth with a rasping tongue
	osteostracan, cephalaspid	Extinct jawless fish of the Devonian with armored head
	ostracoderm	Extinct fish-like jawless vertebrate having a heavily armored body
Broader	aquatic vertebrate	animal living wholly or chiefly in or on water
Spanish	agnato
Catalan	àgnat

HyperDic: jawless_vertebrate