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To my knowledge is the picture #1 the only one of this species, or it is a strange colour form of Phestilla sp. 2 in IPN page 372 and
Gosliner et al. (2015) page 357 which has "undulating opaque white patches on the notum and opaque white lines on the relative cylindrical cerata. Ceratal apices club-shaped."
This species was posted on 28 October 2016 at these websites as Phestilla sp. 02 Genus: Bergh, 1874,
Cella et al. (2016) moved it into the genus Tenellia A. Costa, 1866 in the family Fionidae J.E. Gray, 1857,
Korshunova et al. (2017) reinstated the genus Phestilla Bergh, 1874 and reinstated the familiy Trinchesiidae F. Nordsieck, 1972 with the inclusion of the genera Catriona, Diaphoreolis, Phestilla, Tenellia, and Trinchesia.
I changed it back into Phestilla sp. 02 Genus: Bergh, 1874 on 10 October 2017.
Kristen Cella, Leila Carmona, Irina Ekimova, Anton Chichvarkhin, Dimitry Schepetov & Terrence M. Gosliner (2016)
A Radical Solution: The Phylogeny of the Nudibranch Family Fionidae.
PLoS ONE 11(12): e0167800. doi:10.137 1/journal .pone.0167800
The above publication is completely online, open access, CC-license
Korshunova, T.; Martynov, A.; Picton, B. (2017). Ontogeny as an important part of integrative taxonomy in tergipedid aeolidaceans (Gastropoda: Nudibranchia) with a description of a new genus and species from the Barents Sea.
Zootaxa. 4324(1): 1., available online at https://doi.org/10.11646/zootaxa.4324.1.1
How to cite:
Köhler, E. (2018), published 16 November 2018, Phestilla sp. 02 Genus: Bergh, 1874
available from https://www.Philippine-Sea-Slugs.com/Nudibranchia/Cladobranchia/Phestilla_sp_02.htm