original description(ofHymedesmia gracilisigma var. rissoi Topsent, 1936)Topsent, E. (1936). Eponges observées dans les parages de Monaco. (Deuxième partie). Bulletin de l'Institut océanographique, Monaco. 686: 1-7. page(s): 35-37 [details]
additional sourceVan Soest, R.W.M. (2001). Porifera, in: Costello, M.J. et al. (Ed.) (2001). European register of marine species: a check-list of the marine species in Europe and a bibliography of guides to their identification. Collection Patrimoines Naturels. 50: 85-103. (look up in RoR) [details]
additional sourceBertolino, M.; Cerrano, C.; Bavestrello, G.; Carella, M.; Pansini, M.; Calcinai, B. (2013). Diversity of Porifera in the Mediterranean coralligenous accretions, with description of a new species. ZooKeys. 336: 1-37., available online athttps://doi.org/10.3897/zookeys.336.5139 page(s): 21-23 [details]
additional sourceRoveta, C.; Marrocco, T.; Calcinai, B.; Pulido Mantas, T.; Pica, D.; Valisano, L.; Puce, S. (2022). Unravelling the sponge diversity of the Tuscan Archipelago National Park (Tyrrhenian Sea, Italy). The European Zoological Journal. 89(1): 310-323., available online athttps://doi.org/10.1080/24750263.2022.2042406 page(s): 314 [details] Available for editors