Ancula
Introduction ''Ancula'' is  a genus of sea slugs, specifically dorid nudibranchs, marine gastropod molluscs in the family Goniodorididae.
Species Species within the genus ''Ancula'' include:* ''Ancula espinosai'' Ortea, 2001* ''Ancula evelinae'' Er. Marcus, 1961* ''Ancula fuegiensis'' Odhner, 1926* ''Ancula gibbosa'' (Risso, 1818) - originally described as ''Tritonia gibbosa'' Risso, 1818 * ''Ancula kariyana'' Baba, 1990* ''Ancula lentiginosa'' Farmer & Sloan, 1964* ''Ancula mapae'' (Burn, 1961)* ''Ancula'' sp. Giraffe spot nudibranchSpecies names which are currently considered to be synonyms:* ''Ancula cristata'' (Alder, 1841) accepted as ''Ancula gibbosa'' (Risso, 1818)* ''Ancula pacifica'' MacFarland, 1964 accepted as ''Ancula gibbosa'' (Risso, 1818)* ''Ancula sulphurea'' Stimpson, 1853 accepted as ''Ancula gibbosa'' (Risso, 1818)
References * Gofas, S.; Le Renard, J.; Bouchet, P. (2001). Mollusca. in: Costello, M.J. et al. (eds), ''European Register of Marine Species: a check-list of the marine species in Europe and a bibliography of guides to their identification''. Patrimoines Naturels. 50: 180-213.
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