original description
Tokioka, T. (1951). The fauna of Akkeshi Bay. 18. Ascidia. <em>Publs Akkeshi Mar. Biol. St.</em> 1: 1-24. [details] Available for editors [request]
additional source
Watanabe, H.; Tokioka, T. (1972). Two new species and one possibly new race of social styelids from Sagami Bay with remarks on their life history especially the mode of budding. <em>Publ. Seto Mar. Biol. Lab.</em> 19(5): 327-345. [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 Pzvesi [details]