'Belemnoidea' definitions:
Definition of 'Belemnoidea'
(from WordNet)
noun
Order of extinct dibranchiate cephalopods related to the surviving spirulas [syn: Belemnoidea, order Belemnoidea]
Definition of 'Belemnoidea'
From: GCIDE
- Belemnoidea \Belemnoidea\ n. an order of extinct dibranchiate cephalopods related to the surviving spirulas.
- Syn: order Belemnoidea. [WordNet 1.5]