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Samla bilas (Gosliner & Willan, 1991) [Flabellina]

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Samla bilas is chracterized by a red ring on the upper third of the cerata, with a narrow opaque white ring above and below it, and by distinctive whitish medial patches on the dorsum. The cerata are basally whitish-tan followed by a broad reddish band, then whitish-tan, the one more reddish band, subapically is a red ring, with a narrow opaque white ring above and below it, the tips are red. The oral tentacles have a flattened terminal lobe. Distinctive are the whitish-blue diamond-shaped medial markings on the dorsum.
It is similar in shape to Flabellina riwo, including the long oral tentacles with flattened tips. It differs by the colour pattern.
One more species with that kind of oral tentacles is Samla bicolor.
This species was posted on 7 June 2003 at these websites as Flabellina bilas  Gosliner & Willan, 1991,
Korshunova et al. (2017) reinstated the genus Samla  Bergh, 1900 within the new family
Samlidae  Korshunova, Martynov, Bakken, Evertsen, Fletcher, Mudianta, Saito, Lundin, Schrödl & Picton, 2017,
and moved Flabellina bilas  Gosliner & Willan, 1991 into the genus Samla  Bergh, 1900.
I changed it on 6 December 2017 into Samla bilas (Gosliner & Willan, 1991) [Flabellina].
Reference:
Korshunova, T.; Martynov, A.; Bakken, T.; Evertsen, J.; Fletcher, K.; Mudianta, W.; Saito, H.; Lundin, K.; Schrödl, M.; Picton, B. (2017). Polyphyly of the traditional family Flabellinidae affects a major group of Nudibranchia: aeolidacean taxonomic reassessment with descriptions of several new families, genera, and species (Mollusca, Gastropoda).
ZooKeys. 717: 1-139., available online at https://doi.org/10.3897/zookeys.717.21885
More information on Samla bicolor as Flabellina bicolor are on Bill Rudman's Sea-Slug Forum!
How to cite:
Köhler, E. (2017), published 6 December 2017, Samla bilas (Gosliner & Willan, 1991)
available from https://www.Philippine-Sea-Slugs.com/Nudibranchia/Dexiarchia/Samla_bilas.htm