(EN) Amanda Reid, Patrizia Jereb e Clyde F.E. Roper, 3. CUTTLEFISHES (PDF), in Jereb P. e Roper C.F.E. (a cura di), Cephalopods of the world. An annotated and illustrated catalogue of cephalopod species known to date, collana FAO Species Catalogue for Fishery Purposes, Volume 1. Chambered Nautiluses and Sepioids, n. 4, Roma, FAO, 2005, p. 200.