original description
Oka, A. (1935). Report of the biological survey of Mutsu Bay 28. Ascidiae simplices. <em>Sci. Rep. Tohoku Univ.</em> 10: 427-466. [details] Available for editors [request]
additional source
Nishikawa, T. (1991). The ascidians of the Japan Sea 2. <em>Publ. Seto Mar. Biol. Lab.</em> 35(1/3): 25-170. [details] Available for editors [request]
From editor or global species database
Genetic nomenclature abbreviation Stmono [details]