| Referens | Calcinai, B., A. Bastari, G. Bavestrello, M. Bertolino, S.B. Horcajadas, M. Pansini, D.M. Makapedua and C. Cerrano, 2017 Demosponge diversity from North Sulawesi, with the description of six new species. ZooKeys 680:105-150. |
| Ref. | 116210 Calcinai, B., A. Bastari, G. Bavestrello, M. Bertolino, S.B. Horcajadas, M. Pansini, D.M. Makapedua and C. Cerrano, 2017 |
| Sida | 116 |
| Named Used as Valid | Petrosia durissima |
| Observationsplats | |
| Distribution | North Sulawesi, Indonesia. |