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Phestilla sp. 03  Genus: Bergh, 1874

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Phestilla sp. 03 is characterized by its brownish-grey body colour with thin brown transverse lines. The cerata are brownish with pale apices. The rhinophores are translucent. It feeds like all species of this genus on hard corals.
This species is Phestilla sp. 3 in IPN page 373 and Gosliner et al. (2015) page 358, let me quote IPN:
"This undescribed species is whitish or brownish in color with a broad body. There are transverse wrinkles across the notum. Cerata cylindrical with a constriction just before the rounded apex."
This species was misidentified and posted on 7 February 2011 at these websites as Phestilla lugubris (Bergh, 1870) [Cratena],
Dr. Alicia Hermosillo McKowen labeled it Phestilla shaggy mouse. I changed it on 15 December 2016
into Phestilla sp. 03  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  Nordsieck, 1972 with the inclusion of the genera Catriona, Diaphoreolis, Phestilla, Tenellia, and Trinchesia.
I changed it back into Phestilla sp. 03  Genus: Bergh, 1874 on 10 October 2017.
References:
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. (2017), published 10 October 2017, Phestilla sp. 03  Genus: Bergh, 1874
available from https://www.Philippine-Sea-Slugs.com/Nudibranchia/Dexiarchia/Phestilla_sp_03.htm