#family_Belemnitidae__Belemnitidae  family of extinct Mesozoic cephalopods
  supertype:  mollusk_family__molluskfamily  a family of mollusks
  member of:  order_Belemnoidea
  member:  belemnite  a conical calcareous fossil tapering to a point at one end and with a conical cavity at the other end containing (when unbroken) a small chambered phragmocone from the shell of any of numerous extinct cephalopods of the family Belemnitidae

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