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Tenellia sp. 30  Genus: A. Costa, 1866

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Tenellia sp. 30 is as Cuthona sp. 17 in IPN at page 365.
Let me quote the desciption:"Body bright cherry red with small yellowish spots on the cerata. Cerata may be more purple and also have an opaque white tip. Oral tentacles opaque white." "Length 9 mm"
The above specimen, and the specimen in IPN have relatively long white oral tentacles, with the outer half merging into the same bright cherry red colour as the body, and the tips the same purple as the cerata. The rhinophores are basally purple, with a broad diffuse whitish median band and the outer third of the same bright cherry red colour as the body, and the tips the same purple as the cerata.
This species was posted on 12 August 2012 at these websites as Trinchesia sp. 30  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 7 January 2017 Trinchesia sp. 30  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. (2017), published 7 January 2017, Tenellia sp. 30  Genus: A. Costa, 1866
available from https://www.Philippine-Sea-Slugs.com/Nudibranchia/Dexiarchia/Tenellia_sp_30.htm