ostracoderm definition

  • noun:
    • some of several categories of extinct primitive jawless fishes associated with Ordovician through Devonian times in the united states and Europe, having systems that were encased in an armor of bony plates.
    • any one of a few extinct fishlike jawless vertebrates having a heavily armored human anatomy; for the Paleozoic.
    • An ostraciont seafood, as a part regarding the Ostracodermi; a plectognath for the suborder Ostracodermi.
    • extinct fish-like jawless vertebrate having a heavily armored body; regarding the Paleozoic
  • others:
    • Having a bony skin like a coat of post; ostraciont, as a fish; pertaining to the Ostracodermi. Also ostracodermal, ostracodermous.

Related Sources

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