original descriptionTraustedt, M. P. A. (1886). Kara Havets Spunge (Ascidiae Simplices). Dijmphna Togtets zool.-bot. Udbytte, Kopenhagen. 419-437.[details]
basis of recordMonniot, C. (2001). Ascidiacea & Sorberacea. In: Costello, M.J. et al. (Ed.) (2001). European register of marine species: a check-list of the marine species in Europe and a bibliography of guides to their identification. Collection Patrimoines Naturels. 50: pp. 352-355. (look up in IMIS) [details]