| 释义 | BelemnitidaeenUKThesaurus
 | Noun | 1.Belemnitidae - family of extinct Mesozoic cephalopodsfamily Belemnitidaemollusk family - a family of mollusksBelemnoidea, order Belemnoidea - order of extinct dibranchiate cephalopods related to the surviving spirulasbelemnite - 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 | 
 BelemnitidaeenUK
 Synonyms for Belemnitidaenoun family of extinct Mesozoic cephalopodsSynonymsRelated Wordsmollusk familyBelemnoideaorder Belemnoideabelemnite
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