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nounprimitive aquatic vertebratetype of:
Definition that contains cyclostome
- hag eellike cyclostome having a tongue with horny teeth in a round mouth surrounded by eight tentacles; feeds on dead or trapped fishes by boring into their bodies
- hagfish eellike cyclostome having a tongue with horny teeth in a round mouth surrounded by eight tentacles; feeds on dead or trapped fishes by boring into their bodies
- lamprey primitive eellike freshwater or anadromous cyclostome having round sucking mouth with a rasping tongue
- lamper eel primitive eellike freshwater or anadromous cyclostome having round sucking mouth with a rasping tongue
- 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
- lamprey eel primitive eellike freshwater or anadromous cyclostome having round sucking mouth with a rasping tongue
- jawless fish eel-shaped vertebrate without jaws or paired appendages including the cyclostomes and some extinct forms
- slime eels eellike cyclostome having a tongue with horny teeth in a round mouth surrounded by eight tentacles; feeds on dead or trapped fishes by boring into their bodies
- jawless vertebrate eel-shaped vertebrate without jaws or paired appendages including the cyclostomes and some extinct forms
- agnathan eel-shaped vertebrate without jaws or paired appendages including the cyclostomes and some extinct forms