''Galeoctopus lateralis'', the sharkclub octopus, is a species of
octopus
An octopus ( : octopuses or octopodes, see below for variants) is a soft-bodied, eight- limbed mollusc of the order Octopoda (, ). The order consists of some 300 species and is grouped within the class Cephalopoda with squids, cuttle ...
, from the
family Octopodidae. This species was
described in 2004 from specimens collected at depths of 200–400 m in the southern and western Pacific Ocean. It is a small octopus in which the mature male's have a distinctive
ligula
In the brain, the taenia of the fourth ventricle (lingula, tenia of fourth ventricle) are two narrow bands of white matter, one on either side, which complete the lower part of the roof of the fourth ventricle.
Each consists of a vertical and a ...
which superficially resembles a shark's jaw and head including teeth‐like lugs. Other distinguishing characteristics include a lateral mantle ridge, a skin sculpture which includes star-shaped papillae, and the females have
oviducts with hare distally swollen.
[ Abstract.]
References
{{Taxonbar, from=Q18580680
Octopuses
Cephalopod genera
Molluscs described in 2004