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Tenellia sp. 40  Genus: von Ihering, 1879

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Tenellia sp. 40 has a whitish body with a bluish-pink tinge. The smooth rhinophores are translucent orange, with a broad white median band. There is a distinctive white patch on the head between the rhinophores and the oral tentacles. the "tail" and the edge of the foot are pale violet. The oral tentacles are translucent orange. The cerata are white with diffuse pale bluish apices.
This shot shows a specimen feeding on a hydrozoan, probably genus Corymorpha, this shot shows its egg-mass. It is very common at Dauin, Negros Oriental.
It is most probably as Cuthona sp. 14 in IPN at page 364
This species was posted on 27 September 2003 at these websites as AEOLIDINA sp. A Suborder: Odhner, 1934,
I placed it on 11 May 2011 in the genus Trinchesia von Ihering, 1879 because I was pretty sure that it is Cuthona sp. 14 in IPN.
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 11 January 2017 Trinchesia sp. 03  Genus: von Ihering, 1879 as #40 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. (2017), published 11 January 2017, Tenellia sp. 40  Genus: A. Costa, 1866
available from https://www.Philippine-Sea-Slugs.com/Nudibranchia/Dexiarchia/Tenellia_sp_40.htm