belemnite

Noun
  1. 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 (synset 101976364)
    is a type of: fossil - the remains (or an impression) of a plant or animal that existed in a past geological age and that has been excavated from the soil
    belongs to: belemnitidae, family belemnitidae - family of extinct Mesozoic cephalopods

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