Ponder, W. F. 1983d. Rissoaform gastropods from the Antarctic and sub-Antarctic: the Eatoniellidae, Rissoidae, Barleeidae, Cingulopsidae, Orbitestellidae and Rissoellidae (Mollusca: Gastropoda) of Signy Island, South Orkney Islands,. British Antarctic Survey Scientific Reports 108 96 pp. {Included species}