Re-description of the Florida hermit-crab sponge Spongosorites suberitoides Diaz et al., 1993 by Sandford and Kelly-Borges (1997) found the sponge to be greatly more similar, morphologically and ecologically, to sponges in the Suberitidae (Hadromerida), than to Spongosorites (Halichondriidae, Halichondrida). ; This author manuscript is an electronic version of an article published in Journal of Natural History and may be cited as McCormack, Grace P., Michelle Kelly (2002) New indications of the phylogenetic affinity of Spongosorites suberitoides Diaz et al., 1993(Porifera, Demospongiae) as revealed by 28S ribosomal DNA, Journal of Natural History 36(9):1009–1021 doi:10.1080/00222930110040394 Journal of Natural History is available online at: http://www.informaworld.com/openurl?genre=article&issn=1464-5262&volume=36&issue=9&spage=1009 ; Florida Atlantic University. Harbor Branch Oceanographic Institute contribution #1342.