| نقل قول | Compagno, L.J.V., D.A. Ebert and M.J. Smale, 1989, Guide to the sharks and rays of southern Africa.. New Holland (Publ.) Ltd., London. 158 p. |
| مرجع | 5578 Compagno, L.J.V., D.A. Ebert and M.J. Smale, 1989 |
| Page | 110 |
| Named Used as Valid | Urogymnus asperrimus |
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