anaspida definition

  • others:
    • An ordinal term introduced by Traquair for a team of singular fishes, mainly from the Upper Silurian stones of Lanarkshire, without paired fins and achieving a tubereled epidermis, a heterocercal tail, and a-row of prominent procedures across the belly.
    • An ordinal term introduced by Traquair for several singular fishes, chiefly through the Upper Silurian stones of Lanarkshire, without paired fins and having a tubereled skin, a heterocercal tail, and a-row of prominent processes over the stomach.
  • noun:
    • extinct purchase of jawless vertebrates
    • extinct order of jawless vertebrates

Related Sources

  • Hypernym for "anaspida"
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