Hypselodoris rosans

Hypselodoris rosans is a species of colourful sea slug or dorid nudibranch, a marine gastropod mollusc in the family Chromodorididae.[2][3]

Hypselodoris rosans
Scientific classification
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Subclass: Heterobranchia
Order: Nudibranchia
Suborder: Doridina
Superfamily: Doridoidea
Family: Chromodorididae
Genus: Hypselodoris
Species:
H. rosans
Binomial name
Hypselodoris rosans
(Bergh, 1889)[1]
Synonyms
  • Chromodoris rosans Bergh, 1889 basionym

Distribution

This species was described from Ile aux Fouquets, Mauritius, Indian Ocean. This species has not been reported by subsequent authors. Animals reported from Réunion and Madagascar as Chromodoris bullocki are possibly this species in view of the revision of the Hypselodoris bullocki clade in 2018.[4][5]

Description

Bergh suggests a possible synonymy with Chromodoris bullocki and quotes Moebius' description as follows (translated from German) "bright rose-red on the back, the mantle with snow-white margin; the rhinophores saffron yellow with scarlet margins of the leaves; the (9) gill leaves on the ground saffron yellow, otherwise scarlet red; the back of the tail bluish red ".

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References
  1. Bergh, L. S. R. (1889). Malacologische Untersuchungen. In C. Semper ed., Reisen im Archipel der Philippinen. Kreidel, Wiesbaden. Theil 3, Heft 16. Pages 815–872 pls 82–84, Chromodoris rosans p. 834.
  2. MolluscaBase (2018). Hypselodoris rosans (Bergh, 1889). Accessed on 2019-01-20.
  3. Rudman, W. B. (1995). The Chromodorididae (Opisthobranchia: Mollusca) of the Indo-West Pacific: further species from New Caledonia and the Noumea romeri colour group. Molluscan Research. 16: 1-43, p. 28
  4. Epstein, H. E.; Hallas, J. M.; Johnson, R. F.; Lopez, A.; Gosliner, T. M. (2018). Reading between the lines: revealing cryptic species diversity and colour patterns in Hypselodoris nudibranchs (Mollusca: Heterobranchia: Chromodorididae). Zoological Journal of the Linnean Society. 2018, XX, 1–74. With 40 figures.
  5. Bidgrain, P., 2018. Hypselodoris bullockii (Collingwood, 1881). South-west Indian Ocean Seaslug site, accessed 2018-01-20.
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