original description(ofSpongia rigida 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): 87 [details]
basis of recordUriz, M.J. (1983). MonografÃa I. Contribución a la fauna de esponjas (Demospongia) de Cataluña. Anales de la Sección Ciencias del Colegio Universitario de Gerona. 7: 1-220. page(s): 128-137 [details] Available for editors [request]
basis of recordMorrow, C.; Cárdenas, P.; Boury-Esnault, N.; Picton, B.; McCormack, G.; Van Soest, R.; Collins, A.; Redmond, N.; Maggs, C.; Sigwart, J.; Allcock, L.A. (2019). Integrating morphological and molecular taxonomy with the revised concept of Stelligeridae (Porifera: Demospongiae). Zoological Journal of the Linnean Society. 187 (1): 31-81., available online athttps://doi.org/10.1093/zoolinnean/zlz017 page(s): 44-45 [details] Available for editors [request]
additional sourceSolórzano, M.R. (1990). PorÃferos del litoral gallego: estudio faunÃstico, distribución e inventario. Phd Thesis Unversidad de Santiago de Compostela. 1036 pp. page(s): 509-513; Lám. 52 [details] Available for editors [request]
additional sourceHayward, P.J. & J.S. Ryland (Eds.). (1990). The marine fauna of the British Isles and North-West Europe: 1. Introduction and protozoans to arthropods. Clarendon Press: Oxford, UK. 627 pp. (look up in IMIS) [details] Available for editors [request]
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 IMIS) [details]
additional sourceAckers, R.G.; Moss, D.; Picton, B.E. (1992). Sponges of the British Isles (‘Sponges V'). A Colour Guide and Working Document. Marine Conservation Society. 1-175. page(s): 70-71 [details]
additional sourceLombas, I. (1982). Distribución, de esponjas esciafilas en la zona intermareal de Aramar (Luanco, Asturias). Boletim de Ciencias Naturales IDEA. 29: 37-50. page(s): 45 [details] Available for editors [request]
biology sourceMorrow, C.; Picton, B.; Erpenbeck, D.; Boury-Esnault, N.; Maggs, C.; Allcock, A. (2012). Congruence between nuclear and mitochondrial genes in Demospongiae: A new hypothesis for relationships within the G4 clade (Porifera: Demospongiae). Molecular Phylogenetics and Evolution. 62(1): 174-190., available online athttps://doi.org/10.1016/j.ympev.2011.09.016 page(s): 177 [details] Available for editors [request]