1. Arkhipkin AI, Nigmatullin CM (1997) Ecology of the oceanic squid Onychoteuthis banksi and the relationship between the genera Onychoteuthis and Chaunoteuthis (Cephalopoda: Onychoteuthidae). J Mar Biol Assoc UK 77:839–869
2. Alvito PM, Rosa R, Phillips RA, Cherel Y, Ceia F, Guerreiro M, Seco J, Baeta A, Vieira RP, Xavier JC (2015) Cephalopods in the diet of nonbreeding black-browed and grey-headed albatrosses from South Georgia. Polar Biol 38:631–641
3. Bizikov VA (1991) A new method of squid age determination using the gladius. In: Jereb P, Ragonese S, Boletzky S (eds) Squid age determination using statoliths. N.T.R.-I.T.T.P. Special publications no. 1. Mazara del Vallo, pp. 39–51
4. Bolstad KS (2008) Systematics of the Onychoteuthidae Gray, 1847 (Cephalopoda: Oegopsida). PhD thesis, Earth & Oceanic Sciences Research Institute Auckland University of Technology, Auckland
5. Bolstad KS, Hoving HJT (2011) Spermatangium structure and implantation sites in onychoteuthid squid (Cephalopoda: Oegopsida). Mar Biodivers Rec 4(e5):1–6