original description(ofAmaroucium circulatum Hartmeyer, 1912)Hartmeyer, R. (1912). Die ascidien der Deutschen Tiefsee-Expedition. <em>Deutschen Tiefsee-Expedition.</em> 16: 225-392.[details]
basis of recordMillar, R. H. (1962). Further descriptions of South African ascidians. <em>Ann. S. Afr. Mus.</em> 46(7): 113-221. (look up in IMIS) [details] Available for editors