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Armina sp. 02 is characterized the black foot with an orange-red margin followed by an interior diffuse blue band and the transverse black patch on the mantle. The mantle has also an orange-red margin. The oral veil is black with an orange margin. The rhinophores are basal diffuse blue, then black, the apex is orange-red, between the rhinophores is a diffuse blue patch.
Pretty similar are
Armina sp. 06 which has a diffuse blue patch on the anterior portion of the oral veil and has pale yellow margin of the foot followed by pale blue,
Armina magna which lacks the interior blue band at the margin of the foot, and lacks the diffuse blue patch between the rhinophores, and has black rhinophores with a yellow apex, and
Armina sp. 08 which differs by its greyish foot with a diffuse whitish margin, by the greyish oral veil with a pale orange margin, and by the orange rhinophores.
This species was posted on 18 April 2003 on these websites as Armina sp. B Genus: Rafinesque, 1814.
For some genera, such as Trinchesia was the alphabet almost through. I had to change the distinguishing alphabetic character into a number. I had chosen 2-digit numbers, even though '01' looks a little bit stupid, and now is only the genus italic written.
More information on Armina sp. 02 as Armina sp. 1 are on Bill Rudman's Sea Slug Forum!
How to cite:
Köhler, E. (2016), published 27 February 2016, Armina sp. 02 Genus: Rafinesque, 1814
available from https://www.Philippine-Sea-Slugs.com/Nudibranchia/Cladobranchia/Armina_sp_02.htm