QUETGLAS, A., ORDINES, F., GONZALEZ, M., ZARAGOZA, N., MALLOL, S., VALLS, M., & DE MESA, A. (2013).
Uncommon pelagic and deep-sea cephalopods in the Mediterranean: new data and literature review. Mediterranean
Marine Science, 14(1), 69–85. doi:https://doi.org/10.12681/mms.320
Lyons, G. & Allcock, L. 2014. Opisthoteuthis calypso. The IUCN Red List of Threatened
Species 2014: e.T176050A1425064. https://doi.org/10.2305/IUCN.UK.2014-
3.RLTS.T176050A1425064.en
ingentaconnect.com
Villanueva, R., Collins, M. A., Sánchez, P., & Voss, N. A. (2002). SYSTEMATICS, DISTRIBUTION AND BIOLOGY OF THE CIRRATE OCTOPODS OF THE GENUS OPISTHOTEUTHIS (MOLLUSCA, CEPHALOPODA) IN THE ATLANTIC OCEAN, WITH DESCRIPTION OF TWO NEW SPECIES. Bulletin of Marine Science,, 71(2), 933–985. Retrieved February 4, 2018, from https://www.ingentaconnect.com/content/umrsmas/bullmar/2002/00000071/00000002/art00026#
Sartor, P., & Belcari, P. (2009). Opisthoteuthis calypso (Cephalopoda: Octopoda) collected on bathyal bottoms of the northern Tyrrhenian Sea (western Mediterranean). Centro Interuniversitario Di Biologia Marina Ed Ecologia Applicata. Retrieved April 14, 2019, from https://www.societaitalianadimalacologia.it/Bollettino/Supplemento 8/06_Sartor et al.pdf.
