Indonesia Sea Slugs
Updated 26 November, 2016 - 72 additional species

Irish Nudibranchs
Updated 7 June, 2016

Kenya Sea Slugs
Updated 1 November, 2015

Maldive Nudibranchs
Updated 1 August, 2016 - 11 additional species

Marine Flatworms
Updated 17 January, 2016

Papua New Guinea Sea Slugs
Updated 8 January, 2016

Philippine Sea Slugs
Updated 26 April, 2016 - 162 additional species

Red Sea Slugs
Added 25 September, 2012

Scottish Nudibranchs
Updated 28 September, 2016

Where species are identified with the genus followed by a sp. number, as in Phestilla sp. 2, the numbers are from Gosliner, Behrens and Valdes: Nudibranchs and Sea Slugs Identification: Indo-Pacific, 2015.

The site has been updated to reflect the taxonomy of the family Chromodorididae modified according to:
Johnson RF & Gosliner TM (2012).
Traditional Taxonomic Groupings Mask Evolutionary History: A Molecular Phylogeny and New Classification of the Chromodorid Nudibranchs.