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Pretty similar at least with blue and yellow on the head are:
Tenellia sp. 42 which differs by the translucent brownish rhinophores and oral tentacles, and by the cerata, which have a pale yellow subapical ring, followed by a diffuse pale bluish band with dark bluish spots, and a diffuse pale yellow ring,
Abronica sp. 01 which differs by "V"shaped blue and yellow on the head, and
Tenellia sp. 23 which differs by the translucent browish body, and by the cerata, which have 2 swellings and bands of bluish and yellow, and lack the red spots.
Trinchesia sp. 29 which has the same colour and cerata, it differs by the rhinophores which are basally whitish with a broad orange median band, the outer third is white.
This species was posted on 13 July 2011 at these websites as Trinchesia sp. M Genus: von Ihering, 1879, and changed on 15 July 2011 into
Trinchesia sp. 13 Genus: von Ihering, 1879.
For some genera, such as Trinchesia was the alphabet almost through. I had to change the distinguishing alphabetic character into a number. I had chosen 2-digit numbers, even though '01' looks a little bit stupid, and now is only the genus italic written.
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 28 December 2016 Trinchesia sp. 13 Genus: von Ihering, 1879 to the Genus Tenellia A. Costa, 1866.
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 28 December 2016, Tenellia sp. 13 Genus: A. Costa, 1866
available from https://www.Philippine-Sea-Slugs.com/Nudibranchia/Dexiarchia/Tenellia_sp_13.htm