order Cyclostomata

Thesaurus

Noun

1.order Cyclostomata - primitive jawless aquatic vertebrate: lampreys; hagfishesCyclostomataanimal order - the order of animalsAgnatha, superclass Agnatha - superclass of eel-shaped chordates lacking jaws and pelvic fins: lampreys; hagfishes; some extinct formscyclostome - primitive aquatic vertebrateHyperoartia, Petromyzoniformes, suborder Hyperoartia, suborder Petromyzoniformes - lampreys as distinguished from hagfishesfamily Petromyzontidae, Petromyzontidae - lampreysHyperotreta, Myxiniformes, Myxinoidea, Myxinoidei, suborder Hyperotreta, suborder Myxiniformes, suborder Myxinoidei - hagfishes as distinguished from lampreysfamily Myxinidae, Myxinidae - slime-producing marine animals: hagfishes