dibranchia

from WordNet (r) 3.0 (2006)

Dibranchia
    n 1: comprising all living cephalopods except the family
         Nautilidae: the orders Octopoda (octopuses) and Decapoda
         (squids and cuttlefish) [syn: {Dibranchiata}, {subclass
         Dibranchiata}, {Dibranchia}, {subclass Dibranchia}]

from The Collaborative International Dictionary of English v.0.48

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]

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