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Thanks for the identification of the above specimens #1 and #2 to Terrence M. Gosliner, USA
All of these species have rounded orange spots of various sizes and are very similar:
Haminoea sp. 01 which differs by its greenish-yellow, black and purple spots, none of them is surrounded by opaque white
Haminoea sp. 02 which lacks purple spots,
Haminoea sp. 04 which has a white appearance and large orange spots.
Lamprohaminoea cymbalum which has no black spots or markings, and differs by broad orange bands and spots surrounded by opaque white
this species was posted on 16 June 2003 at these wesites as Haminoea ovalis Pease, 1868,
Oskars & Malaquias (2019) moved it into the genus Lamprohaminoea Kuroda & Habe, 1952, so did I on 7 November 2019.
Oskars T.R. & Malaquias M.A.E. (2019). A molecular phylogeny of the Indo-West Pacific species of Haloa sensu lato gastropods (Cephalaspidea: Haminoeidae): Tethyan vicariance, generic diversity, and ecological specialization.
Molecular Phylogenetics and Evolution. 139: 106557.,
available online at https://doi.org/10.1016/j.ympev.2019.106557
More information on Lamprohaminoea ovalis as Haminoea ovalisare on Bill Rudman's Sea Slug Forum!
How to cite:
Köhler, E. (2019), published 7 November 2019, Lamprohaminoea ovalis (Pease, 1868)
available from https://www.Philippine-Sea-Slugs.com/Cephalaspidea/Lamprohaminoea_ovalis.htm