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It was posted on 1 September 2003 at these websites as Halgerda sp. A Genus: Bergh, 1880, and changed on 9 September 2011
into Halgerda sp. 01 Genus: Bergh, 1880.
For some genera, such as Trinchesia was the alphabet almost through. I had to change the distinguishing alphabetic character into a number. I have chosen 2-digit numbers, even though '01' looks a little bit stupid, and now is only the genus italic written.
More information on Halgerda willeyi are on Bill Rudman's Sea-Slug Forum!
How to cite:
Köhler, E. (2017), published 23 July 2017, Halgerda sp. 01 Genus: Bergh, 1880
available from https://www.Philippine-Sea-Slugs.com/Nudibranchia/Euctenidiacea/Halgerda_sp_01.htm