GenBank accession number of sequences used for this study.

species / 12S rRNA / 16S rRNA / COI / COIII / rhodopsin / pax-6 / octopine dehydrogenase
Abdopus aculeatus (d’Orbigny, 1834) / HM104234 / HM104244 / HM104254 / AJ628213 / HM104287 / HM104265 / HM104276
Adelieledone polymorpha (Robson, 1930) / EF102215 / EF102194 / EF102173 / EF102153 / EF102113 / AY545151 / EF102134
Ameloctopus litoralis Norman, 1992 / HM104235 / HM104245 / HM104255 / AJ628207 / HM104288 / HM104266 / HM104277
Amphioctopus aegina (Gray, 1849) / AB191125 / AB191111 / AB191276 / AJ628214 / HM104289 / HM104267 / -
Aphrodoctopus sp. Roper Mangold, 1992 / AY616967 / AY616974 / HM104256 / HM104249 / HM104290 / HM104268 / HM104278
Argonauta nodosa Linnaeus, 1758 / AY545080 / AY545104 / AY557517 / AJ628206 / AY545166 / AY545142 / AY545117
Bathypolypus sponsalis (Fischer Fischer, 1892) / HM104236 / EF016338 / EF016329 / FJ603530 / GQ226024 / HM104269 / HM104279
Muusoctopus normani (Massy 1907) / EF016354 / EF016345 / EF016335 / EF016327 / EF016318/EF016311 / HM104270 / HM104280
Callistoctopus ornatus (Gould, 1852) / HM104237 / AB191114 / HM104257 / HM104250 / AY616926 / AY616941 / AY616911
Cistopus indicus (d’Orbigny, 1840) / AY616947 / AJ252744 / HM104258 / AJ628208 / HM104291 / HM104271 / AY616993
Eledone cirrhosa (Lamarck, 1798) / AY616946 / AY616973 / AY557520 / HM104251 / AY617043/HM104292 / AY617020 / AY616992
Enteroctopus dofleini (Wülker, 1910) / AY545088 / AY545109 / AY545190 / FJ603531 / AY545174 / AY545150 / AY545125
Graneledone verrucosa (Verrill, 1881) / AY545091 / AY545111 / AF000042 / EU071462 / EU086517/HM104293 / AY545153 / AY545129
Grimpella thaumastocheir Robson, 1928 / HM104238 / HM104246 / HM104259 / AJ628209 / HM104295 / HM104272 / HM104282
Hapalochlaena maculosa Hoyle, 1883 / AY545085 / AY545107 / AF000043 / AJ628212 / AY545171 / AY545147 / AY545122
Heteroteuthis hawaiiensis (Berry, 1909) / AY616873 / AY616884 / AY293728 / X97952 / AY616922 / AY616937 / AY616906
Japetella diaphana Hoyle, 1885 / AY545093 / AJ252766 / AY557518 / EU071453 / AY545179 / AY545155 / AY545130
Loligo forbesii Steenstrup, 1856 / AY545099 / AF110075 / AF075402 / X97962 / AY545184 / AY54516 / AY545136
Macroctopus maorum Hutton, 1880 / HM104239 / AJ311110 / HM104260 / AJ628231 / HM104296 / - / HM104283
Megaleledone setebos (Robson, 1932) / EF102216 / EF102195 / EF102174 / EF102154 / EF102114 / EU071420 / EU071425
Octopus vulgaris Lamarck, 1798 / HM104240 / EF016336 / HM104262 / EF016319 / HM104297 / HM104274 / HM104284
Ommastrephes bartramii (Lesueur, 1821) / AY616866 / AY616880 / AB191283 / - / AY616915 / AY616930 / AY616899
Opisthoteuthis massyae (Grimpe, 1920) / AY545079 / AY545103 / AY545187 / EU071451 / HM104301 / AY545141 / AY545116
Pareledone charcoti (Joubin, 1905) / EF102217 / EF102196 / EF102175 / EF102155 / EF102115 / EU071408 / EF102135
Praealtus paralbida Allcock, Collins, Piatkowski & Vecchione, 2004 / HM104241 / HM104247 / HM104261 / HM104252 / HM104294 / HM104273 / HM104281
Scaeurgus unicirrhus (Orbigny, 1840) / HM104242 / HM104248 / HM104263 / HM104253 / HM104298 / - / HM104285
Sepia officinalis Linnaeus, 1758 / AY545098 / AB193804 / AB193812 / NC_007895 / AF000947 / AY545160 / AY545135
Sepioteuthis lessoniana(Lesson, 1830) / AY616869 / AB191133 / NC_007894 / NC_007894 / AY616918 / AY616933 / AY616902
Spirula spirula (Linnaeus, 1758) / AY545097 / AY293659 / AY293709 / X97957 / AY545183 / AY545159 / AY545134
Stauroteuthis gilchristi (Robson, 1924) / AY545078 / AY545102 / AY545186 / EU071450 / AY545164 / AY545140 / AY545115
Thaumeledone gunteri Robson, 1930 / HM104243 / AF299266 / AY557521 / EU071457 / EU086513 / EU071417 / EU071427
Tremoctopus violaceus delle Chiaje, 1830 / AY545081 / AJ252767 / AF377978 / GU288522 / AY545167 / AY545143 / AY545118
Vampyroteuthis infernalis Chun, 1903 / AY545077 / DQ280043 / AF000071 / GU288521 / AY545163 / AY545139 / AY545114
Velodona togata Chun, 1915 / EU071440 / EU071434 / EU071447 / EU071459 / EU086515/HM104299 / EU071419 / EU071429
Vitreledonella richardi Joubin, 1918 / AY545092 / AY545112 / AF000072 / EU071452 / AY545178 / AY545154 / AY545128
Vulcanoctopus hydrothermalis Gonzalez & Guerra, 1998 / FJ603547 / FJ603544 / HM104264 / FJ603533 / GQ226020/HM104300 / HM104275 / HM104286