Octopoda

Octopoda is one of the largest orders which contain the common octopus and some other types.^[1][2] Fossils are rare, but they do have a fossil record starting in the later Carboniferous.

Octopoda Temporal range: 323 mya Upper Carboniferous – present
The common octopus, Octopus vulgaris.
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Cephalopoda
Subclass:	Coleoidea
Superorder:	Octopodiformes
Order:	Octopoda
Suborders
Cirrina Incirrina

Octopods are put into two suborders. One, the Incirrina, is composed of the well-known Octopus of rocky shores and coral reefs and its relatives. The other suborder, the Cirrina, contains octopods whose tentacles are linked by an umbrella-like mantle, so their activity is rather different from the common octopus.

Cirrothauma, one of the Cirrina octopods. It lives in the deep sea at great depths