Noun cyclostomata has 1 sense
  1. Cyclostomata, order Cyclostomata - primitive jawless aquatic vertebrate: lampreys; hagfishes
    --1 is a kind of animal order
    --1 is a member of Agnatha, superclass Agnatha
    --1 has members:
     cyclostome; Petromyzoniformes, suborder Petromyzoniformes, Hyperoartia, suborder Hyperoartia; Petromyzontidae, family Petromyzontidae; Myxiniformes, suborder Myxiniformes, Hyperotreta, suborder Hyperotreta, Myxinoidei, Myxinoidea, suborder Myxinoidei; Myxinidae, family Myxinidae
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