Cratena
Cratena is a genus of sea slugs, aeolid nudibranchs, marine gastropod molluscs in the family Facelinidae.
Cratena is the type genus of the subfamily Crateninae.
Species
Species within the genus Cratena include:Cratena affinis Cratena capensis Barnard, 1927 - orange-eyed nudibranchCratena lineata Eliot, 1905Cratena minor Padula, Araújo, Matthews-Cascon & Schrödl, 2014Cratena pawarshindeorum Bharate, Padula, Apte & Shimpi, 2020Cratena peregrina Cratena pilata Cratena poshitraensis Bharate, Padula, Apte & Shimpi, 2020Cratena scintilla Ortea & Moro, 1998Cratena simba Edmunds, 1970Cratena tema Edmunds, 2015;Taxa inquirenda:Cratena cornuta Cratena diffusa Cratena grisea
;Species brought into synonymy:Cratena anulata Baba, 1949: synonym of Cuthona anulata Cratena cavanca Bergh, 1898: synonym of Phidiana lottini Cratena exigua Thiele, 1912: synonym of Cuthona georgiana Cratena fructuosa Bergh, 1892: synonym of Cuthona fructuosa Cratena genovae O'Donoghue, 1929: synonym of Cuthona genovae Cratena gymnota : synonym of Cuthona gymnota Cratena hirsuta Bergh, 1864: synonym of Cuthona nana Cratena kaoruae Marcus, 1957: synonym of Cratena pilata Cratena lugubris Bergh, 1870: synonym of Phestilla lugubris Cratena macphersonae Burn, 1962: synonym of Phyllodesmium macphersonae Cratena nigricolora Baba, 1955: synonym of Catriona nigricolora Cratena pinnifera Baba, 1949: synonym of Catriona pinnifera Cratena piutaensis Ortea, Caballer & Espinosa, 2003: synonym of Anetarca piutaensis Cratena puellula Baba, 1955: synonym of Cuthona puellula Cratena pusilla Bergh, 1898: synonym of Cuthona pusilla Cratena valentini Eliot, 1907: synonym of Cuthona valentini Cratena venusta Baba, 1949: synonym of Catriona venusta Cratena veronicae A. E. Verrill, 1880: synonym of Cuthona veronicae Cratena vittata : synonym of Eubranchus vittatus Cratena yatsui Baba, 1930: synonym of ''Herviella yatsui''