| Citation | Hooper, J.N.A. and R.W.M. Van Soest, 2002 Systema Porifera: A Guide to the Classification of Sponges. Kluwer Academic/Plenum Publishers, New York, USA. 1706 p. |
| Ref. | 8303 Hooper, J.N.A. and R.W.M. Van Soest, 2002 |
| Page | |
| Named Used as Valid | Holascus ridleyi |
| Locality | Mindanao, Philippines |
| Distribution | Philippines. |