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Bornella cf. stellifer (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 stellifer or perhaps something closely related, or at least similar in appearance.
Bornella stellifer 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 stellifer 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 stellifer by the branched large posterior process on the rhinophore sheath, in Bornella stellifer it is single. In Bornella stellifer 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 stellifer there are five or six pairs.
More information on Bornella stellifer are on Bill Rudman's Sea-Slug Forum!
How to cite:
Köhler, E. (2016), published 6 August 2016, Bornella cf. stellifer (A. Adams & Reeve in A. Adams, 1848)
available from https://www.Philippine-Sea-Slugs.com/Nudibranchia/Dexiarchia/Bornella_stellifer_cf.htm