BioStor
 | Antarctic and Subantarctic Mollusca. Pelecypoda and Gastropoda A W B Powell (1951) Discovery Reports 26: 47-196 |
 | Systematics and biogeography of marine gastropod molluscs from South Georgia 4478 Kb); Pdf (Low Resolution Pdf (High Resolution and D G 478 Kb)Zelaya (2005) Spixiana 28: 109-139 |