Ancilla optima Sowerby, 1897 [Invalid]
Literature
| Authors | Title |
Year of Publication |
|---|---|---|
| D. Richards | South African shells. A collector’s guide | 1981 |
| B. Kensley | Sea shells of Southern Africa. Gastropods | 1973 |
| K.H. Barnard | Contributions to the knowledge of South African marine Mollusca. Part II. Gastropoda: Prosobranchiata: Rhachiglossa | 1959 |
| G.B.Sowerby III | Marine shells of South Africa (Appendix) | 1897 |