Rostanga

For a town in Sweden, see Röstånga.

Rostanga is a genus of sea slugs in the family Discodorididae.^[3] Some sources, such as The Sea Slug Forum still classify Rostanga in the family Dorididae.

Rostanga
A live individual of Rostanga pulchra, head end towards the right
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
Order:	Nudibranchia
Family:	Discodorididae
Genus:	Rostanga (Bergh, 1879)[1]
Type species
Doris coccinea Forbes, 1848
Synonyms[2]
Boreodoris Odhner, 1939 Rhabdochila P. Fischer, 1883

Phylogeny

A phylogenetic analysis shows that the species Rostanga aureamala, Rostanga elandsia, Rostanga pepha and Rostanga setidens form a sister group with the other species in this genus. The species from Japan and the Marshall Islands form the basal clade. The species from the tropical Indo-Pacific are not monophyletic. The species from the Atlantic Ocean and the Eastern Pacific from a clade that is a sister group to R. australis. The Indo-Pacific species Rostanga bifurcata forms a sister group to Rostanga dentacus.^[4]

Species

Species within the genus Rostanga include:

• Rostanga alisae Martynov, 2003^[5][6]
• Rostanga aliusrubens Rudman & Avern, 1989^[7]
• Rostanga ankyra Valdés, 2001^[8][9]
• Rostanga anthelia Perrone, 1991^[10]
• Rostanga arbutus (Angas, 1864)^[7]
• Rostanga aureamala Garovoy, Valdés & Gosliner, 2001^[4]
• Rostanga bassia Rudman & Avern, 1989^[7]
• Rostanga bifurcata Rudman & Avern, 1989^[7]
• Rostanga byga Er. Marcus, 1958^[11]
• Rostanga calumus Rudman & Avern, 1989^[7]
• Rostanga crawfordi (Burn, 1969)
• Rostanga crocea Edmunds, 2011^[12]
• Rostanga dentacus Rudman & Avern, 1989^[7]
• Rostanga elandsia Garovoy, Valdés & Gosliner, 2001^[4]
• Rostanga ghiselini Gosliner & Bertsch, 2017
• Rostanga lutescens (Bergh, 1905)
• Rostanga muscula (Abraham, 1877)^[7]
• Rostanga orientalis Rudman & Avern, 1989^[7]
• Rostanga phepha Garovoy, Valdés & Gosliner, 2001^[4]
• Rostanga pulchra (MacFarland, 1905)^[7]
• Rostanga risbeci Baba, 1991^[13]
• Rostanga rubra (Risso, 1818)^[14]
• Rostanga setidens (Odhner, 1939)^[15]

Species brought into synonymy

• Rostanga australis Rudman & Avern, 1989:^[7] synonym of Rostanga crawfordi (Burn, 1969)
• Rostanga evansi Eliot, 1906 : synonym of Jorunna evansi (Eliot, 1906)
• Rostanga hartleyi Burn, 1958 : synonym of Jorunna hartleyi (Burn, 1958)