| 释义 |
family Belemnitidae
Thesaurus| Noun | 1.family Belemnitidae - family of extinct Mesozoic cephalopodsBelemnitidaemollusk 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 |
family Belemnitidae
Synonyms for family Belemnitidaenoun family of extinct Mesozoic cephalopodsSynonymsRelated Words- mollusk family
- Belemnoidea
- order Belemnoidea
- belemnite
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