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''Rostanga'' is a genus of sea slugs in the family Discodorididae. Some sources, such as ''The Sea Slug Forum'' still classify ''Rostanga'' in the family
Dorididae Sea lemon is a loosely applied common name for a group of medium-sized to large shell-less colorful sea slugs or nudibranchs, specifically dorid nudibranchs in the taxonomic family Dorididae and other closely related families. These are marine g ...
.


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 Japan ( ja, 日本, or , and formally , ''Nihonkoku'') is an island country in East Asia. It is situated in the northwest Pacific Ocean, and is bordered on the west by the Sea of Japan, while extending from the Sea of Okhotsk in the north ...
and the Marshall Islands form the basal
clade A clade (), also known as a monophyletic group or natural group, is a group of organisms that are monophyletic – that is, composed of a common ancestor and all its lineal descendants – on a phylogenetic tree. Rather than the English term, ...
. The species from the tropical Indo-Pacific are not
monophyletic In cladistics for a group of organisms, monophyly is the condition of being a clade—that is, a group of taxa composed only of a common ancestor (or more precisely an ancestral population) and all of its lineal descendants. Monophyletic gro ...
. 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''.abstract


Species

Species within the genus ''Rostanga'' include: ;Species brought into synonymy: * ''Rostanga australis'' Rudman & Avern, 1989: synonym of '' Rostanga crawfordi'' (Burn, 1969) * ''Rostanga evansi'' Eliot, 1906 : synonym of ''
Jorunna evansi ''Jorunna evansi'' is a species of sea slug, a dorid nudibranch, a shell-less marine gastropod mollusc Mollusca is the second-largest phylum of invertebrate animals after the Arthropoda, the members of which are known as molluscs or mollu ...
'' (Eliot, 1906) * ''Rostanga hartleyi'' Burn, 1958 : synonym of '' Jorunna hartleyi'' (Burn, 1958)


References


Further reading

*Bergh, L. S. R. 1881b. Malacologische Untersuchungen. In: Reisen im Archipel der Philippinen von Dr. Carl Gottfried Semper. Zweiter Theil. Wissenschaftliche Resultate. Band 2, Theil 4, Heft 2, pp 79–128, pls. G, H, J-L. *Bergh, L. S. R. 1892. Malacologische Untersuchungen. In: Reisen im Archipel der Philippinen von Dr. Carl Gottfried Semper. Zweiter Theil. Wissenschaftliche Resultate. Band 2, Theil 3, Heft 18, pp. 995–1165. *Eliot, C. N. E. 1910d. A monograph of the British nudibranchiate Mollusca: with figures of the species. pt. VIII (supplementary). Figures by the late Joshua Alder and the late Albany Hancock, and others, pp. 1–198, pls. 1-8. Ray Society, London. *Fez Sanchez, S. de. 1974. Ascoglosos y Nudibranquios de España y Portugal. Consejo Superior de Investigaciones Científicas, Valencia, pp. 1–325, pls. 1-86. *Franc, Andre. 1968. Sous-classe des opisthobranches, pp. 608–893. In: E. Fischer, Andre Franc, Micheline Martoja, G. Termier, & H. Termier. Traite de zoologie. Anatomie, systematique, biologie. Tome V, mollusques gasteropodes et scaphopodes (fascicule III), 1083 pp. 1 pl. *Mcdonald, G. R. 1983. A review of the nudibranchs of the California coast. Malacologia 24(1-2):114-276. *Mcdonald, G. R., & J. W. Nybakken. 1980. Guide to the nudibranchs of California, including most species found from Alaska to Oregon, 72 pp., 112 photos. American Malacologists. *Muniain, C., & A. Valdés. 2000. Rostanga byga Er. Marcus, 1958 from Argentina: redescription and comparison to Rostanga pulchra MacFarland, 1905 (Mollusca, Nudibranchia, Doridina). Proceedings of the California Academy of Sciences 52(1):1-10. *Nordsieck, Fritz. 1972. Die europäischen Meeresschnecken (Opisthobranchia mit Pyramidellidae; Rissoacea), Vom Eismeer bis Kapverden, Mittelmeer und Schwarzes Meer, xiii + 327. Gustav Fischer Verlag, Stuttgart. *Odhner, Nils Hjalmar. 1907. Northern and Arctic invertebrates in the collection of the Swedish State Museum (Riksmuseum). III. Opisthobranchia and Pteropoda. Kungl. Svenska Vetenskaps Akademiens Handlingar, Neue Følge 41(4):1-113, pls. 1-3. *Pruvot-Fol, A. 1954b. Mollusques Opisthobranches. Faune de France, Paris 58:1-460, pl. 1. *Risbec, J. 1953. Mollusques nudibranches de la Nouvelle-Calédonie. Faune de l'Union Française Paris, Libraire Larose 15:1-189. *Schmekel, R. L., & Adolf Portmann. 1982. Opisthobranchia des Mittelmeeres, Nudibranchia und Saccoglossa. Fauna e flora del Golfo di Napoli 40, Monografia della Stazione Zoologica di Napoli, pp. i-viii, 1-410, pls. 1-36. Springer-Verlag. *Thiele, J. 1931. Handbuch der Systematischen Weichtierkunde. Band 1, vi + 778 pp. A. Asher & Co., Amsterdam, reprint 1963. *Thiele, J. 1992. Handbook of Systematic Malacology, part 2 (Gastropoda: Opisthobranchia and Pulmonata). Scientific editors of Translation: Rüdiger Bieler & Paula M. Mikkelsen. xiv + 1189 pp. Smithsonian Institution Libraries & National Science Foundation, Washington, D. C. *Thompson, T. E. 1975. Dorid nudibranchs from eastern Australia (Gastropoda, Opisthobranchia). Journal of Zoology 176(4):477-517, pl. 1. *Thompson, T. E. 1988. Molluscs: benthic opisthobranchs (Mollusca: Gastropoda) keys and notes for the identification of the species. Synopses of the British fauna (new series) no. 8, 2nd edition, v + 356 pp. Linnean Society of London & the Estuarine & Brackish-water Sciences Association; E. J. Brill. *Thompson, T. E., & G. H. Brown. 1984. Biology of opisthobranch molluscs, vol. 2, 229 pp., 41 pls. Ray Society, no. 156. *Valdés, Á., & T. M. Gosliner. 2001. Systematics and phylogeny of the caryophyllidia-bearing dorids (Mollusca, Nudibranchia), with descriptions of a new genus and four new species from Indo-Pacific deep waters. Zoological Journal of the Linnean Society 133(2):103-198. *Vayssière, A. J. B. M. 1901a. Recherches zoologiques et anatomiques sur les mollusques Opistobranches du Golfe de Marseille (suite et fin). Memoire No. 1, Annales du Musee d'Histoire Naturelle de Marseille (Zoologie) 6:1-130, pls. 1-7. *Vayssière, A. J. B. M. 1913a. Mollusques de la France et des régions voisines, tome premier, amphineures, gasteropodes opisthobranches, heteropodes, marseniades et oncidiides. Encyclopedie Scientifique, publiee sous la direction du Dr. Toulouse, Bibliothèque de Zoologie Doin, Paris, pp. 1–420, I-XII, pls. 1-37. udibranchia pp. 243–365 * {{Taxonbar, from=Q3061362 Discodorididae Gastropod genera