original descriptionSavigny, J. C. (1816). Memoires sur les animaux sans vertebres. Paris. 2: 1-239. page(s): Second Tome: Page 20 [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]
additional sourceHowson, C.M. & B.E. Picton. (1997). The species directory of the marine fauna and flora of the British Isles and surrounding seas. Ulster Museum Publication, 276. The Ulster Museum: Belfast, UK. ISBN 0-948150-06-8. vi, 508 (+ cd-rom) pp. (look up in IMIS) [details] Available for editors
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