• [Wiki] http://en.wikipedia.org/wiki/Pteroctopus.
• [sealifebase] https://www.sealifebase.ca/summary/Pteroctopus-tetracirrhus.html.
• [Kooy2010] Kooijman, S. (2010). Dynamic Energy Budget theory for metabolic organisation. Cambridge Univ. Press, Cambridge.
• [LaptSalm2014] Laptikhovsky, V., Salman, A., Önsoy, B., and Ceylan, M. A. B. (2014). Reproduction in rare bathyaloctopods Pteroctopus tetracirrhus and Scaeurgus unicirrhus (Cephalopoda: Octopoda)in the east Mediterranean as an apparent response to extremely oligotrophic deep seas. Deep-Sea Research I, 92:85--92. doi:10.1016/j.dsr.2014.06.009.
• [QuetOrdi2009] Quetglas, A., Ordines, F., González, M., and Franco, I. (2009). Life history of the bathyal octopus Pterocto pustetracirrhus(Mollusca, Cephalopoda) in the Mediterranean Sea. Deep-Sea Research I, 56:1379--1390. doi:10.1016/j.dsr.2009.02.007.