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The specimen #1 (pictures #1, #2, and #3) had been attacked by some predator so only the front half is remaining.
I place it tentively within the genus Trinchesia von Ihering, 1879, I should have better used the family Trinchesiidae F. Nordsieck, 1972.
Korshunova et al. (2017) reinstated the family Trinchesiidae F. Nordsieck, 1972 with the genera
-Catriona Winckworth, 1941
-Diaphoreolis Iredale & O'Donoghue, 1923
-Phestilla Bergh, 1874
-Rubramoena Cella, Carmona, Ekimova, Chichvarkhin, Schepetov & Gosliner, 2016
-Tenellia A. Costa, 1866
-Trinchesia von Ihering, 1879 and
-Zelentia Korshunova, Martynov & Picton, 2017
Korshunova, T.; Martynov, A.; Picton, B. (2017). Ontogeny as an important part of integrative taxonomy in tergipedid aeolidaceans (Gastropoda: Nudibranchia) with a description of a new genus and species from the Barents Sea.
Zootaxa. 4324(1): 1., available online at https://doi.org/10.11646/zootaxa.4324.1.1
How to cite:
Köhler, E. (2018), published 12 September 2018, Trinchesia sp. 45 Genus: von Ihering, 1879
available from https://www.Philippine-Sea-Slugs.com/Nudibranchia/Cladobranchia/Trinchesia_sp_45.htm