Leach, 1818
Subdivided into the suborder Cirrata and the suborder Incirrata.
Cirrata, or finned octopuses: Gelatinous animals dotted with cirri on the arms and with a pair of fins and a large web. They are usually deepwater animals and rarely captured.
Incirrata, or true octopuses: 7 of the 9 families are European.
Source: Poppe and Goto, 1993.
The following subtaxa of this order occur in the region:
Suborder Incirrata
Family Octopodidae
Genus Eledone
Eledone cirrhosa
Genus Octopus
Octopus vulgaris