Aldisa williamsi is a species of sea slug, a dorid nudibranch, a marine gastropod mollusk in the family Cadlinidae.MolluscaBase (2018). Aldisa williamsi Elwood, Valdés & Gosliner, 2000. Accessed on 2018-12-03
Distribution This species was described from Barracuda Point in Papua New Guinea. It has subsequently been found in Sulawesi, Flores, Rinca Is. and Pantar Is., in Indonesia.Rudman, W.B., 2002 (March 11) Aldisa williamsi Elwood, Valdes & Gosliner, 2000. [In] Sea Slug Forum. Australian Museum, Sydney.
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