R. H.  Millar, ?Ascidians from the Rockall Trough area of the northeast Atlantic?, Journal of Natural History, vol. 16, no. 2, pp. 165-182, 1982.

P.  Kott, ?Taxonomic revision of Ascidiacea (Tunicata) from the upper continental slope off north-western Australia?, Journal of Natural History, vol. 43, no. 31-32, pp. 1947-1986, 2009.

K.  Sanamyan and Sanamyan, N., ?Deep-water ascidians (Tunicata: Ascidiacea) from the northern and western Pacific?, Journal of Natural History, vol. 40, no. 5-6, pp. 307-344, 2006.