Subclass Dibranchia (Noun)
Meaning
Comprising all living cephalopods except the family Nautilidae: the orders Octopoda (octopuses) and Decapoda (squids and cuttlefish).
Classification
Nouns denoting animals.
Examples
- The subclasses Dibranchia and Tetrabranchia form the class Cephalopoda in the phylum Mollusca.
- Dibranchia comprise the modern cephalopods except the nautiluses which are found in the Tetrabranchia.
- Subclass Dibranchia, one of the most highly specialized and evolved of the cephalopods.
- Squids and octopuses and cuttlefishes all fall into the Dibranchia category, along with some lesser known relatives.
- All cephalopods that belong to the subclass Dibranchia are the highly developed in terms of anatomy.