suborder heterostraci

Noun
  1. Extinct group of armored jawless fishes or fish-like vertebrate;
    Taxonomy is not clear (synset 101477666)
    is a type of: animal order - the order of animals
    member holonym: heterostracan - extinct jawless fish with the anterior part of the body covered with bony plates; of the Silurian and Devonian
    belongs to: order ostracodermi, ostracodermi - extinct group of armored jawless vertebrates; taxonomy is not clear
    same as: heterostraci

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