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This species is part of the 'Coryphellina rubrolineata look-alike' complex:
Pretty similar are
Coryphellina rubrolineata, which differs by papillate whitish rhinophores with purplish tips,
Coryphellina delicata, which lacks the purple longitudinal lines.
Dr. Richard C. Willan writes on the above specimen:"This one is a real puzzle for me. It is definitely not Flabellina delicata. It seems closest to
Flabellina rubrolineata, but I never saw a colour form of F. rubrolineata like this one. It might be an undescribed Flabellina species."
This species was posted on 7 May 2015 at these websites as Flabellina sp. 06 Genus: Voigt, 1834,
Korshunova et al. (2017) reinstated the genus Coryphellina O'Donoghue, 1929 within the family Flabellinidae Bergh, 1889.
I changed it on 7 July 2019 into Coryphellina sp. 02 Genus: O'Donoghue, 1929.
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
How to cite:
Köhler, E. (2019), published 7 July 2019, Coryphellina sp. 02 Genus: O'Donoghue, 1929
available from https://www.Philippine-Sea-Slugs.com/Nudibranchia/Cladobranchia/Coryphellina_sp_02.htm