Octopodiformes is a superorder of the subclass Coleoidea, comprising the octopuses and the vampire squid. All living members of Octopodiformes have eight arms, either lacking the two tentacles of squid (as is the case in octopuses) or modifying the tentacles into thin filaments (as in vampire squid).
Octopodiformes is a superorder within the subclass Coleoidea that includes both octopuses and vampire squids. All members of this group have eight arms, either lacking the two tentacles found in squid or transforming their tentacles into thin filaments like those of vampire squids.