MolluscaBase name details
original description
Gosliner T.M. 2004. Phylogenetic systematics of <i>Okenia, Sakishimaia, Hopkinsiella</i> and <i>Hopkinsia</i> (Nudibranchia: Goniodorididae) with descriptions of new species from the tropical Indo-Pacific. <i>Proceedings of the California Academy of Sciences</i>, (4) 55(5): 125-161, available online at http://researcharchive.calacademy.org/research/scipubs/pdfs/v55/proccas_v55_n05.pdf [details]
identification resource
Gosliner, T. M.; Behrens, D. W.; Valdés, Á. (2008). Indo-Pacific Nudibranchs and seaslugs. A field guide to the world's most diverse fauna. <em>Sea Challengers Natural History Books, Washington.</em> 426, pp. [details]