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It was posted on 21 Apr. 2003 at these websites as Chromodoris fidelis (Kelaart, 1858) [Doris],
I follow the recent article (published: 10 April 2012)
Rebecca Fay Johnson & Terrence M. Gosliner. 2012.
Traditional Taxonomic Groupings Mask Evolutionary History:
A Molecular Phylogeny and New Classification of the Chromodorid Nudibranchs. online at
and move Chromodoris fidelis to the reerected ("rescued from synonymy") genus Goniobranchus Pease, 1866.
More information on Goniobranchus fidelis as Chromodoris fidelis are on Bill Rudman's Sea-Slug Forum!