Phestilla sp. 04  Genus: Bergh, 1874

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Phestilla sp. 04 is as Phestilla sp. 1 in IPN page 372 and Gosliner et al. (2015) page 357, let me quote IPN:
"Similar to Phestilla minor but has cerata with brownish pigment, a flat apex and two or more white rings."
Cella et al. (2016) moved it into the genus Tenellia  A. Costa, 1866 within 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.
Gosliner, Terrence M., David W. Behrens & Ángel Valdés. 2008. Indo-Pacific Nudibranchs and Sea Slugs.
Sea Challengers Natural History Books. Gig Harbor, Washington. 426pp.
Gosliner, T.M, D.W. Behrens & Á.Valdés. 2015. Nudibranch & Sea Slug Identification Indo-Pacific.
New World Publications Inc. Jacksonville, FL. 408 pp.
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 13 March 2018, Phestilla sp. 04  Genus: Bergh, 1874
available from https://www.Philippine-Sea-Slugs.com/Nudibranchia/Dexiarchia/Phestilla_sp_04.htm