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Bornella cf. stellifera (A. Adams & Reeve in A. Adams, 1848) [Dendronotus]

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cf. is an abbreviation from a Latin word (confer) and means 'refer to' or 'compare with', here it means it could possibly be Bornella stellifera or perhaps something closely related, or at least similar in appearance.
Bornella stellifera has a translucent cream colour with a broken network of red-orange lines, a single posterior process on the rhinophore sheaths, and five or six pairs of dorso-lateral processes. Distinctive are the orange-red subapical rings on the rhinophores, dorso-lateral processes, and velar tentacles.
This species differs from Bornella stellifera by the lack of orange-red subapical rings on the rhinophores, dorso-lateral processes, and velar tentacles.
Very similar is Bornella hermanni, it has been misidentified in several field guides.
Bornella hermanni can be distinguished from Bornella stellifera by the branched large posterior process on the rhinophore sheath, in Bornella stellifera it is simple. In Bornella stellifera the rhinophores, dorso-lateral processes and velar tentacles all have an orange-red subapical ring which is absent in Bornella hermanni. In Bornella hermanni there are three pairs of dorso-lateral processes while in Bornella stellifera there are five or six pairs.
This species was posted on 30 November 2014 at these websites as Bornella cf. stellifer (A. Adams & Reeve in A. Adams, 1848) [Dendronotus],
let me quote Yonow (2017): "The spelling of the species epithet should be corrected to agree in gender with the feminine Bornella. The specific name, stellifera, is the feminine of the properly compounded Latin adjective stellifer, -fera,-ferum (meaning "star bearing); Consequently several species of Bornella also require similar changes to spellings."
I changed it on 10 April 2018 into Bornella cf. stellifera (A. Adams & Reeve in A. Adams, 1848) [Dendronotus].
Reference:
Yonow, Nathalie. Results of the Rumphius Biohistorical Expedition to Ambon (1990). Part 16. The Nudibranchia - Dendronotina, Arminina, Aeolidina, and Doridina (Mollusca: Gastropoda: Heterobranchia)
Archiv für Molluskenkunde International Journal of Malacology Band 146 Heft 1 (2017), p. 135 - 172. published: Jun 29, 2017
DOI: 10.1127/arch.moll/146/135-172
More information on Bornella stellifera as Bornella stellifer are on Bill Rudman's Sea-Slug Forum!
How to cite:
Köhler, E. (2018), published 10 April 2018, Bornella cf. stellifera (A. Adams & Reeve in A. Adams, 1848)
available from https://www.Philippine-Sea-Slugs.com/Nudibranchia/Cladobranchia/Bornella_stellifera_cf.htm