| NOUN | animal | order Belemnoidea, Belemnoidea | order of extinct dibranchiate cephalopods related to the surviving spirulas |
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| Meaning | Order of extinct dibranchiate cephalopods related to the surviving spirulas. | |
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| Synonym | Belemnoidea | |
| Member of | Dibranchiata, subclass Dibranchiata, Dibranchia, subclass Dibranchia | Comprising all living cephalopods except the family Nautilidae |
| Members | Belemnitidae, family Belemnitidae | family of extinct Mesozoic cephalopods |
| Broader | animal order | The order of animals |
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