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Tenellia sp. 15  Genus: A. Costa, 1866

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Tenellia sp. 15 has a translucent whitish-pink body with opaque white spots covering the notum. The smooth rhinophores are mottled translucent and white. The oral tentacles are also mottled translucent and white. The cerata are basally translucent white, opaque white in the upper half, followed by a thin yellowish ring, subapical is a thin red ring, the apex is translucent pink.
This species is Cuthona sp. 6 in IPN at page 362
This specimen was misidentified and posted on 26 July 2004 at these websites as Flabellina cf. bicolor (Kelaart, 1858) [Eolis].
This species was posted on 17 July 2011 at these websites as Trinchesia sp. 15  Genus: von Ihering, 1879.
Cella et al. (2016) restricted the genus Cuthona  Alder & Hancock, 1855 to the type species, C. nana (Alder & Hancock, 1842) just like Miller (2004) did, and synonymised the genera
- Catriona  Winckworth, 1941,
- Phestilla  Bergh, 1874,
- Cuthona  Alder & Hancock, 1855 (partim), and
- Trinchesia  Ihering, 1879
with Tenellia  A. Costa, 1866 in the Family Fionidae  J.E. Gray, 1857.
I moved on 30 December 2016 Trinchesia sp. 15  Genus: von Ihering, 1879 to the Genus Tenellia  A. Costa, 1866.
References:
Gosliner, Terrence M., David W. Behrens & Ángel Valdés. 2008. Indo-Pacific Nudibranchs and Sea Slugs.
Sea Challengers Natural History Books. Gig Harbor, Washington. 426pp.
Miller, M.C. 2004. An appraisal of the identity of the New Zealand species of the aeolid nudibranch family Tergipedidae (Gastropoda: Opisthobranchia). Journal of Natural History 38: 1183-1192.
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
How to cite:
Köhler, E. (2016), published 30 December 2016, Tenellia sp. 15  Genus: A. Costa, 1866
available from https://www.Philippine-Sea-Slugs.com/Nudibranchia/Dexiarchia/Tenellia_sp_15.htm