Neoteuthis is a monotypic genus of squid whose sole member is Neoteuthis thielei, from the family Neoteuthidae.

This species has long tentacular clubs measuring 60% of the mantle length and fins which are 70% of its mantle length.

It has a proximal locking-apparatus for the club which is restricted to manus, which in turn has proximal suckers which are circular.

[2] It has been recorded from the South Atlantic Ocean,[3] North Atlantic Ocean, near the Canary Islands[4] and North Pacific Ocean, north of Hawaii.

[3] The paralarvae and juveniles are found in the epipelagic to mesopelagic zones while adults occur in the mesopelagic to bathypelagic zones.