| Citation | Nebelsick, J.H., 1992 Echinoid Distribution by fragment identification in the northern bay of Safaga, Red Sea, Egypt. PALAIOS 7(3):316-328. |
| Ref. | 2934 Nebelsick, J.H., 1992 |
| Page | 319 |
| Named Used as Valid | Phyllacanthus imperialis |
| Locality | |
| Distribution | Egypt. |