belemnoidea definition

  • noun:
    • an order of extinct dibranchiate cephalopods about the surviving spirulas.
    • purchase of extinct dibranchiate cephalopods linked to the enduring spirulas
  • others:
    • An order or suborder associated with dibranchiate cephalopods, today practically extinct, but extremely abundant in the Mesozoic age.

Related Sources

  • Hypernym for "belemnoidea"
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