original description(ofSpongia fragilis Montagu, 1814)Montagu, G. (1814 [1818]). An Essay on Sponges, with Descriptions of all the Species that have been discovered on the Coast of Great Britain. Memoirs of the Wernerian Natural History Society. 2(1): 67-122, pls III-XVI., available online athttps://www.biodiversitylibrary.org/page/45847761 page(s): 114 [details]
additional sourceStephens, J. (1912). A Biological Survey of Clare Island in the County of Mayo, Ireland and the Adjoining District. Marine Porifera. Proceedings of the Royal Irish Academy. 31 (Section 3, Part 59): 1-42. page(s): 39 [details]
additional sourceTopsent, E. (1892). Contribution à l'étude des Spongiaires de l'Atlantique Nord (Golfe de Gascogne, Terre-Neuve, Açores). Résultats des campagnes scientifiques accomplies par le Prince Albert I. Monaco. 2: 1-165, pls I-XI. page(s): 134 [details]
additional sourceTopsent, E. (1928). Spongiaires de l'Atlantique et de la Méditerranée provenant des croisières du Prince Albert ler de Monaco. [Atlantic and Mediterranean sponges from the cruises of Prince Albert I of Monaco]. Résultats des campagnes scientifiques accomplies par le Prince Albert I. Monaco. 74:1-376, pls I-XI. page(s): 329-330 [details]
additional sourceTopsent, E. (1932). Remarques sur des Eponges de l'estuaire de la Rance. Bulletin du Laboratoire maritime du Muséum d'histoire naturelle de Saint-Servan. 8: 1-7. page(s): 2 & 3 [details]
additional sourceTopsent, E.; Olivier, L. (1943). Eponges observées dans les parages de Monaco (fin). Bulletin de l'Institut océanographique, Monaco. 854: 1-12. page(s): 6 [details]
additional sourceStephens, J. (1917). Report on the sponges collected off the coasts of Ireland by the dredging expeditions of the Royal Irish Academy and the Royal Dublin Society. Proceedings of the Royal Irish Academy. 34 (B): 1-16. page(s): 14 [details]
additional sourceBurton, M. (1933). Report on a small collection of sponges from Stil Bay, S. Africa. Annals and Magazine of Natural History. 10 (11): 235-244. page(s): 242; note: Misapplication [details]
additional sourceTopsent, E. (1925). Éponges de l'Étang de Thau. Bulletin de l'Institut Océanographique de Monaco. 452, 1-42. page(s): 17 [details] Available for editors [request]
additional sourceTopsent, E. (1891). Spongaires des côtes océaniques de France. Bulletin de la Société Zoologique de France. 6: 125-129. page(s): 127 [details]
additional sourceVidal, A. (1967). Etude des fonds rocheux circalittoraux le long de la côte du Rousillon. Vie et Milieu. 18, 167-219. page(s): 188 [details] Available for editors [request]
additional sourceHanitsch, R. (1890). Third Report on the Porifera of the L.M.B.C.District. Proceedings and Transactions of the Liverpool Biological Society. 4: 192-238, pls X-XV. page(s): 198 [details]