| 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 | Ptilocaulis flexibilis |
| Locality | Nha Trang, Viet Nam. |
| Distribution | Viet Nam. |