| Trích dẫn | Branch, G.M., C.L. Griffiths, M.L. Branch and L. Beckley, 2005 Two oceans: a guide to marine life in southern Africa. Struik Publishers, Cape Town, 360 p. |
| Tài liệu tham khảo | 80553 Branch, G.M., C.L. Griffiths, M.L. Branch and L. Beckley, 2005 |
| Trang | 136 |
| Named Used as Valid | Helcion concolor |
| Địa phương | |
| Distribution | South Africa. |