original description
Romanov, V. N. (1974). Didemnidae (Ascidiae) from sublitoral zone of Iturup Island (Kurile Islands). <em>Zool. Zhurnal.</em> 53(2): 237-243 (In Russian). [details]
additional source
van der Land, J. (ed). (2008). UNESCO-IOC Register of Marine Organisms (URMO). , available online at http://www.marinespecies.org/urmo/ [details]
From editor or global species database
Genetic nomenclature abbreviation Psykry [details]