Belemnoidea


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Noun1.Belemnoidea - order of extinct dibranchiate cephalopods related to the surviving spirulasBelemnoidea - order of extinct dibranchiate cephalopods related to the surviving spirulas
animal order - the order of animals
Dibranchia, Dibranchiata, subclass Dibranchia, subclass Dibranchiata - comprising all living cephalopods except the family Nautilidae: the orders Octopoda (octopuses) and Decapoda (squids and cuttlefish)
Belemnitidae, family Belemnitidae - family of extinct Mesozoic cephalopods
References in periodicals archive ?
These are invertebrates that separated from their ancient ancestors, the Belemnoidea, probably around 380 million years ago (reviews in Clarke et al.