· accepted, alternate representation Octopus mutilans Taki, 1942 Octopus nanhaiensis Dong, 1976 (taxon inquirendum) Octopus nanus Adam, 1973 Octopus niveus Lesson, 1831 (taxon inquirendum) Octopus occidentalis Steenstrup in Hoyle, 1885 Octopus ochotensis Sasaki, 1920 (taxon inquirendum) Octopus oculifer Hoyle, 1904 – Galapagos reef octopus Octopus oliveri Berry, 1914 Octopus oshimai Sasaki, 1929 (taxon inquirendum) Octopus pallidus Hoyle, 1885 – pale octopus Octopus parvus Sasaki, 1917 – Japanese pygmy octopus Octopus penicillifer Berry, 1954 Octopus pentherinus Rochebrune & Mabille, 1889 ('nomen dubium)Octopus prashadi Adam, 1939 (taxon inquirendum)Octopus pricei * Berry, 1913 (taxon inquirendum)Octopus pumilus Norman & Sweeney, 1997Octopus pyrum Norman, Hochberg & Lu, 1997Octopus rubescens Berry, 1953 – East Pacific red octopusOctopus salutii Vérany, 1836 – spider octopusOctopus sanctaehelenae Robson, 1929Octopus sasakii Taki, 1942 (taxon inquirendum)Octopus selene Voss, 1971 – moon octopusOctopus sinensis d'Orbigny, 1841 - East Asian Common octopus Octopus stictochrus Voss, 1971Octopus spinosus Sasaki, 1920 (taxon inquirendum)Octopus superciliosus Quoy & Gaimard, 1832frilled pygmy octopusOctopus tehuelchus d'Orbigny, 1834 – Tehuelche or Patagonian octopusOctopus tenebricus Smith, 1884Octopus tetricus Gould, 1852 – gloomy octopus or common Sydney octopusOctopus tsugarensis Sasaki, 1920 (taxon inquirendum)Octopus validus Sasaki, 1920 (taxon inquirendum)Octopus veligero Berry, 1953 – veiled octopusOctopus verrucosus Hoyle, 1885Octopus vitiensis Hoyle, 1885 – bighead octopusOctopus vulgaris Cuvier, 1797 – common octopusOctopus warringa Stranks, 1990 – club pygmy octopusOctopus wolfi Wülker, 1913 – star-sucker pygmy octopusOctopus yendoi Sasaki, 1920 (taxon inquirendum)Octopus zonatus Voss, 1968 – Atlantic banded octopus The species listed above with an asterisk (*) are questionable and need further study to determine if they are valid species or synonyms. Species brought into synonymy Octopus abaculus Norman & Sweeney, 1997: synonym of Abdopus abaculus (Norman & Sweeney, 1997) Octopus aculeatus d'Orbigny, 1834: synonym of Abdopus aculeatus (d'Orbigny, 1834)Octopus adamsi]' Benham, 1944 : synonym of Octopus huttoni Benham, 1943 Octopus aegina Gray, 1849: synonym of Amphioctopus aegina (Gray, 1849) Octopus albus Rafinesque, 1814: synonym of Octopus vulgaris Cuvier, 1797 Octopus alderii Vérany, 1851: synonym of Callistoctopus macropus (Risso, 1826) Octopus alpheus, Capricorn night octopus: synonym of Callistoctopus alpheus (Norman, 1993) Octopus alpheus Norman, 1993: synonym of Callistoctopus alpheus (Norman, 1993) Octopus americanus Froriep, 1806: synonym of Octopus vulgaris Cuvier, 1797 Octopus apollyon (S. S. Berry, 1912): synonym of Enteroctopus dofleini (Wülker, 1910) Octopus arcticus Prosch, 1849: synonym of Bathypolypus arcticus (Prosch, 1849) Octopus areolatus de Haan, 1839: synonym of Amphioctopus fangsiao (d'Orbigny, 1839) Octopus aspilosomatis Norman, 1993, plain-body night octopus: synonym of Callistoctopus aspilosomatis (Norman,