The name Loligo forbesii is generally attributed to Steenstrup, 1856, but this seems to be from a wrongly dated publication.
Alf A. & Kreipl K. (2011) The family Turbinidae. Subfamily Turbinidae, Genus Turbo. Errata, corrections and new information on the genera Lunella, Modelia and Turbo (vol. I). In: G.T. Poppe & K. Groh (eds), A Conchological Iconography. Hackenheim: Conchbooks. Pp. 69-72, pls 96-103.