(d'Orbigny, 1826) Octopus flindersi Cotton, 1932: synonym of Macroctopus maorum (Hutton, 1880) Octopus fontanianus d'Orbigny, 1834: synonym of Robsonella fontaniana (d'Orbigny, 1834) Octopus frayedus Rafinesque, 1814: synonym of Callistoctopus macropus (Risso, 1826) Octopus furvus Gould, 1852: synonym of Callistoctopus furvus (Gould, 1852) Octopus geryonea Gray, 1849: synonym of Octopus americanus Montfort, 1802: synonym of Octopus vulgaris Cuvier, 1797 Octopus gibbsi O'Shea, 1999: synonym of Octopus tetricus Gould, 1852 Octopus gilbertianus Berry, 1912: synonym of Enteroctopus dofleini (Wülker, 1910) Octopus glaber Wülker, 1920: synonym of Octopus cyanea Gray, 1849 Octopus gracilis Verrill, 1884: synonym of Macrotritopus equivocus (Robson, 1929) Octopus gracilis Eydoux & Souleyet, 1852: synonym of Tremoctopus gracilis (Eydoux & Souleyet, 1852) Octopus granosus Blainville, 1826: synonym of Callistoctopus macropus (Risso, 1826) Octopus granulatus Lamarck, 1799: synonym of Amphioctopus granulatus (Lamarck, 1799) Octopus graptus Norman, 1992: synonym of Callistoctopus graptus (Norman, 1992) – scribbled night octopus Octopus groenlandicus Steenstrup, 1856: synonym of Bathypolypus arcticus (Prosch, 1849) Octopus guangdongensis Dong, 1976: synonym of Abdopus guangdongensis (Dong, 1976) Octopus hardwickei Gray, 1849: synonym of Amphioctopus aegina (Gray, 1849) Octopus harmandi Rochebrune, 1882: synonym of Abdopus aculeatus (d'Orbigny, 1834) Octopus herdmani Hoyle, 1904: synonym of Octopus cyanea Gray, 1849 Octopus heteropus Rafinesque, 1814: synonym of Octopus vulgaris Cuvier, 1797 Octopus horridus d'Orbigny, 1826: synonym of Abdopus horridus (d'Orbigny, 1826) Octopus horsti Joubin, 1898: synonym of Octopus cyanea Gray, 1849 Octopus hoylei (S. S. Berry, 1909): synonym of Pteroctopus hoylei (S. S. Berry, 1909) Octopus indicus Rapp, 1835: synonym of Cistopus indicus (Rapp, 1835) Octopus januarii Hoyle, 1885: synonym of Muusoctopus januarii (Hoyle, 1885) Octopus kagoshimensis Ortmann, 1888: synonym of Amphioctopus kagoshimensis (Ortmann, 1888) Octopus kempi Robson, 1929: synonym of Macrotritopus defilippi (Vérany, 1851) Octopus kermadecensis (Berry, 1914): synonym of Callistoctopus kermadecensis (Berry, 1914) Octopus koellikeri Vérany, 1851: synonym of Tremoctopus violaceus delle Chiaje, 1830 Octopus lechenaultii d'Orbigny, 1826: synonym of Callistoctopus lechenaultii (d'Orbigny, 1826) Octopus leioderma (Berry, 1911): synonym of Benthoctopus leioderma (Berry, 1911) Octopus lentus Verrill, 1880: synonym of Bathypolypus bairdii (Verrill, 1873) Octopus leschenaultii d'Orbigny, 1826: synonym of Callistoctopus macropus (Risso, 1826) Octopus leucoderma San Giovanni, 1829: synonym of Eledone leucoderma (San Giovanni, 1829) Octopus lobensis Castellanos & Menni, 1969: synonym of Octopus tehuelchus d'Orbigny, 1834 – lobed octopus Octopus lothei Chun, 1913: synonym of Bathypolypus ergasticus (P. Fischer & H. Fischer, 1892) Octopus lunulatus Quoy & Gaimard, 1832: synonym of Hapalochlaena lunulata (Quoy & Gaimard, 1832) Octopus luteus (Sasaki, 1929):