Platydoris is a genus of sea slugs, dorid nudibranchs, shell-less marine gastropod mollusks in the family Discodorididae.MolluscaBase (2018). Platydoris Bergh, 1877. Accessed on 2018-11-16. These nudibranchs are large and often brightly coloured, but normally live concealed beneath rocks or loose coral, feeding on sponges. During the night they become more active, searching for new food sources or mates. Many species were described in the 19th century and a revision in 2002 added six new species.Dorgan K.M., Valdés Á. & Gosliner T.M. (2002). Phylogenetic systematics of the genus Platydoris (Mollusca, Nudibranchia, Doridoidea) with descriptions of six new species. Zoologica Scripta 31 (3): 271–319Valdés Á. (2002). A phylogenetic analysis and systematic revision of the cryptobranch dorids (Mollusca, Nudibranchia, Anthobranchia). Zoological Journal of the Linnean Society 136: 535-636

Species Species in the genus Platydoris include:Gofas, S.; Le Renard, J.; Bouchet, P. (2001). Mollusca, in: Costello, M.J. et al. (Ed.) (2001). European register of marine species: a check-list of the marine species in Europe and a bibliography of guides to their identification. Collection Patrimoines Naturels, 50: pp. 180–213Vaught, K.C. (1989). A classification of the living Mollusca. American Malacologists: Melbourne, FL (USA). . XII, 195 pp.

Platydoris angustipes (Mörch, 1863) Platydoris annulata Dorgan, Valdes & Gosliner, 2002 Platydoris argo (Linnaeus, 1767) - type species of the genus Platydoris Platydoris carinata Risbec, 1928 Platydoris carolynae Mulliner & Sphon, 1974 Platydoris cinereobranchiata Dorgan, Valdes & Gosliner, 2002 Platydoris cruenta (Quoy & Gaimard, 1832) Platydoris dierythros Fahey & Valdés, 2003 Platydoris ellioti (Alder & Hancock, 1864) Platydoris esakii (Baba, 1936) Platydoris formosa (Alder & Hancock, 1864) Platydoris galbana Burn, 1958 Platydoris guarani Lima & Simone, 2018 Platydoris inframaculata (Abraham, 1877) Platydoris inornata Dorgan, Valdes & Gosliner, 2002 Platydoris macfarlandi Hanna, 1951 Platydoris ocellata Dorgan, Valdés & Gosliner, 2002 Platydoris pulchra Eliot, 1904 Platydoris rolani Dorgan, Valdés & Gosliner, 2002 Platydoris sabulosa Dorgan, Valdés & Gosliner, 2002 Platydoris sanguinea Bergh, 1905 Platydoris scabra (Cuvier, 1804) Platydoris spongilla Risbec, 1928 Platydoris striata (Kelaart, 1858) Platydoris tabulata Abraham, 1877 - nomen dubium

Species brought into synonymy Platydoris arrogans Bergh, 1877: synonym of Platydoris cruenta (Quoy & Gaimard, 1832) Platydoris dura Pruvot-Fol, 1951: synonym of Platydoris argo (Linnaeus, 1767) Platydoris eurychlamys Bergh, 1877: synonym of Platydoris scabra (Cuvier, 1804) Platydoris flammulata Bergh, 1905: synonym of Platydoris angustipes (Mörch, 1863) Platydoris immonda Risbec, 1928: synonym of Doris immonda Risbec, 1928 Platydoris incerta Eliot, 1904: synonym of Platydoris pulchra Eliot, 1904 Platydoris laminea Risbec, 1928: synonym of Discodoris laminea (Risbec, 1928) Platydoris maculata Bouchet, 1977 : synonym of Baptodoris cinnabarina Bergh, 1884 Platydoris noumeae Risbec, 1928: synonym of Platydoris scabra (Cuvier, 1804) Platydoris papillata Eliot, 1903: synonym of Asteronotus raripilosus (Abraham, 1877) Platydoris peruviana (d'Orbigny, 1837) synonym of Baptodoris peruviana (d'Orbigny, 1837) Platydoris philippi Bergh, 1877: synonym of Platydoris argo (Linnaeus, 1767) Platydoris punctatella Bergh, 1898: synonym of Baptodoris peruviana (d'Orbigny, 1837) Platydoris rubra White, 1952: synonym of Platydoris angustipes (Mörch, 1863) Platydoris stomascuta Bouchet, 1977: synonym of Baptodoris stomascuta (Bouchet, 1977)

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