original description(ofHaliclona xena de Weerdt, 1986)de Weerdt, W.H. (1986). A systematic revision of the north-eastern Atlantic shallow-water Haplosclerida (Porifera, Demospongiae): 2. Chalinidae. Beaufortia. 36(6): 81-165. (look up in IMIS) page(s): 117-122 [details]
context source (Introduced species)Katsanevakis, S.; Bogucarskis, K.; Gatto, F.; Vandekerkhove, J.; Deriu, I.; Cardoso A.S. (2012). Building the European Alien Species Information Network (EASIN): a novel approach for the exploration of distributed alien species data. BioInvasions Records. 1: 235-245., available online athttp://easin.jrc.ec.europa.eu[details] Available for editors
basis of recordde Weerdt, W.H. (2000). A monograph of the shallow-water Chalinidae (Porifera, Haplosclerida) of the Caribbean. Beaufortia. 50 (1): 1-67. (look up in IMIS) [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 IMIS) [details]