Dibranchia \Dibranchia\ n.
1. comprising all living cephalopods except the family
Nautilidae: the orders Octopoda (octopuses) and Decapoda
(squids and cuttlefish).
Syn: Dibranchiata, subclass ta, Dibranchia, subclass
Dibranchia.
[WordNet 1.5]
Source: The Collaborative International Dictionary of English v.0.48
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