Polycera

Polycera is a genus of sea slugs, specifically nudibranchs, shell-less marine gastropod molluscs in the family Polyceridae.

Polycera
The nudibranch Polycera quadrilineata, in situ, Gulen Dive Resort, Norway.
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
Order:	Nudibranchia
Family:	Polyceridae
Subfamily:	Polycerinae
Genus:	Polycera Cuvier, 1817[1]
Type species
Polycera quadrilineata Muller, 1776
Synonyms
Galacera Risso-Dominguez, 1960 Polyceras Locard, 1886 (Unjustified emendation)

Polycera is the type genus of the family Polyceridae.

Species

Species in the genus Polycera include:^[2]

• Polycera abei (Baba, 1960)
• Polycera alabe Collier & Farmer, 1964
• Polycera anae Pola, Sánchez-Benítez & Ramiro, 2014
• Polycera atra MacFarland, 1905 orange-spike polycera
• Polycera aurantiomarginata García-Gómez & Bobo, 1984
• Polycera aurisula Er. Marcus, 1957
• Polycera capensis Quoy & Gaimard, 1824
• Polycera chilluna Er. Marcus, 1961
• Polycera elegans (Bergh, 1894) alternate representation of Greilada elegans
• Polycera faeroensis Lemche, 1929
• Polycera fujitai Baba, 1937
• Polycera hedgpethi Er. Marcus, 1964
• Polycera herthae Ev. Marcus & Er. Marcus, 1963
• Polycera hummi Abbott, 1952
• Polycera janjukia Burn, 1962
• Polycera japonica Baba, 1949
• Polycera kaiserae Hermosillo & Valdés, 2007
• Polycera maculata Pruvot-Fol, 1951
• Polycera maddoxi Miller, 2005
• Polycera manzanilloensis Ortea, Espinosa & Camacho, 1999
• Polycera marplatensis Franceschi, 1928
• Polycera melanosticta Miller, 1996
• Polycera norvegica Sørensen, Rauch, Pola & Malaquias, 2020
• Polycera odhneri Er. Marcus, 1955
• Polycera parvula (Burn, 1958)
• Polycera picta Risbec, 1928
• Polycera priva Er. Marcus, 1959
• Polycera quadrilineata (O. F. Müller, 1776)
• Polycera risbeci Odhner, 1941
• Polycera rycia Er. Marcus & Ev. Marcus, 1970
• Polycera sp. twin-crowned nudibranch^[3]
• Polycera tricolor Robilliard, 1971 three-color polycera
• Polycera xicoi Ortea & Rolán, 1989

Species brought into synonymy

• Polycera atlantica Pruvot-Fol, 1956: synonym of Polycera elegans (Bergh, 1894)
• Polycera citrina Alder & Hancock, 1841: synonym of Palio dubia (M. Sars, 1829)
• Polycera conspicua Allan, 1932: synonym of Polycera capensis Quoy & Gaimard, 1824
• Polycera cooki Angas, 1864: synonym of Paliolla cooki (Angas, 1864)
• Polycera cornigera Adams & Reeve in Adams, 1848: synonym of Ceratosoma trilobatum (J.E. Gray, 1827)
• Polycera cristata Alder, 1841: synonym of Ancula gibbosa (Risso, 1818)
• Polycera dubia M. Sars, 1829: synonym of Palio dubia (M. Sars, 1829)
• Polycera gnupa Er. Marcus & Ev. Marcus, 1967: synonym of Polycera hedgpethi Er. Marcus, 1964
• Polycera horrida Hesse, 1872: synonym of Aegires punctilucens (d'Orbigny, 1837)
• Polycera incognita (Ortea, Espinosa & Caballer, 2005): synonym of Kankelibranchus incognitus Ortea, Espinosa & Caballer, 2005
• Polycera lessoni d'Orbigny, 1837: synonym of Palio dubia (M. Sars, 1829)
• Polycera lessonii d'Orbigny, 1837: synonym of Palio dubia (M. Sars, 1829)
• Polycera lineatus Risso, 1826: synonym of Polycera quadrilineata (O. F. Müller, 1776)
• Polycera mediterranea Bergh, 1879: synonym of Polycera quadrilineata (O. F. Müller, 1776)
• Polycera messinensis Odhner, 1941: synonym of Polycera elegans (Bergh, 1894)
• Polycera modesta Lovén, 1846: synonym of Palio dubia (M. Sars, 1829)
• Polycera nigrocrocea Barnard, 1927: synonym of Polycera capensis Quoy & Gaimard, 1824
• Polycera nigrolineata Dautzenberg & Durouchoux, 1913: synonym of Polycera quadrilineata (O. F. Müller, 1776)
• Polycera nigropicta Ihering, 1885: synonym of Polycera quadrilineata (O. F. Müller, 1776)
• Polycera nothus (Johnston, 1838): synonym of Palio nothus (Johnston, 1838)
• Polycera ocellata Alder & Hancock, 1842: synonym of Palio nothus (Johnston, 1838)
• Polycera ornata d'Orbigny, 1837: synonym of Polycera quadrilineata (O. F. Müller, 1776)
• Polycera pudica Lovén, 1846: synonym of Palio dubia (M. Sars, 1829)
• Polycera punctilucens d'Orbigny, 1837: synonym of Aegires punctilucens (d'Orbigny, 1837)
• Polycera salamandra Labbé, 1931: synonym of Polycera quadrilineata (O. F. Müller, 1776)
• Polycera tabescens Risbec, 1928: synonym of Tambja limaciformis (Eliot, 1908)
• Polycera typica W. Thompson, 1840: synonym of Polycera quadrilineata (O. F. Müller, 1776)
• Polycera varians M. Sars, 1840: synonym of Polycera quadrilineata (O. F. Müller, 1776)
• Polycera webbi d'Orbigny, 1839: synonym of Felimare picta (Schultz in Philippi, 1836)
• Polycera zeylanica Kelaart, 1858: synonym of Plocamopherus ceylonicus (Kelaart, 1858)
• Polycera zosterae O’Donoghue, 1924: synonym of Palio dubia (M. Sars, 1829)

Nomine dubia

• Polycera funerea Pruvot-Fol, 1930
• Polycera pruvotae Risbec, 1953