| Citation | Alvarez, B., R.W.M. van Soest and K. Rützler, 1998 A revision of Axinellidae (Porifera: Demospongiae) of the Central-West Atlantic region. Smithson. Contrib. Zool. 598, 47 p. |
| Ref. | 81712 Alvarez, B., R.W.M. van Soest and K. Rützler, 1998 |
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| Named Used as Valid | Ptilocaulis marquezi |
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