Berthellina is a genus of sea slugs, marine gastropod molluscs in the family Pleurobranchidae. Species Species within the genus Berthellina are: Berthellina barquini Ortea, 2014 Berthellina circularis (Mörch, 1863) Berthellina citrina (Rüppell & Leuckart, 1828) Berthellina cuvieri (Bergh, 1898) Berthellina delicata (Pease, 1861) Berthellina edwardsii (Vayssière, 1897) Berthellina granulata (Krauss, 1848) – lemon pleurobranch Berthellina ignis Alvim & Pimenta, 2015 Berthellina ilisima Marcus & Marcus, 1967 Berthellina magma Ortea, 2014 Berthellina minor (Bergh, 1905) Berthellina oblonga (Audouin, 1826) Berthellina quadridens (Mörch, 1863) Berthellina utris Ortea, Moro & Caballer, 2014 Species inquirenda Berthellina engeli Gardiner, 1936 - (taxon inquirendum) References Further reading Howson, C.M.; Picton, B.E. (Ed.) (1997). The species directory of the marine fauna and flora of the British Isles and surrounding seas. Ulster Museum Publication, 276. The Ulster Museum: Belfast, UK. . vi, 508 (+ cd-rom) 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. 180–213 External links Sea Slug Forum info Pleurobranchidae Gastropod genera