- subclass Dibranchia as a noun:
- 1
subclass Dibranchia
noun
1 subclass Dibranchia
Comprising all living cephalopods except the family Nautilidae: the orders Octopoda (octopuses) and Decapoda (squids and cuttlefish).
synonyms: Dibranchia, Dibranchiata, subclass Dibranchiata.
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