Ancula

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 nudibranch

Species 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)