After "The Tree of Life" and Felley, Vecchione, Roper, Sweeney & Christensen, 2001-
<==o Octopodinae (d'Orbigny, 1840 in Ferussac & d'Orbigny, 1834-1848) Grimbe, 1921 (true octopods; aitotursaat) [10 genera / 127-146 species]
|-- Octopus Cuvier, 1797 ()? [2 subgenera / 107-120 species]
|-- Ameloctopus litoralis Norman, 1992
|-- Aphrodoctopus schultzei (Hoyle, 1910) Roper & Mangold, 1992
|-- Cistopus indicus (Rapp, 1835 in Ferussac & d'Orbigny, 1834-1848) Gray, 1849
|--o Enteroctopus Rochebrune & Mabille, 1889 ()? [5-6]
| |-- E. membranaceus Rochebrune & Mabille, 1889
| |-- E. dofleini (Wülker, 1910)
| |?-- E. juttingi Robson, 1929 [status doubtful]
| |-- E. magnificus (Villanueva, Sanchez & Compagno, 1992)
| |-- E. megalocyathus (Gould, 1852)
| `-- E. zealandicus (Benham, 1944)
|--o Euaxoctopus Voss, 1971 ()? [2-3]
| |-- E. panamensis Voss, 1971
| |-- E. pillsburyae Voss, 1975
| `?- E. scalenus (Hoyle, 1904) [status doubtful]
|--o Hapalochlaena Robson, 1929 [3-4]
| |-- H. lunulata (Quoy & Gaimard, 1832)
| |-- H. fasciata (Hoyle, 1886)
| |-- H. maculosa (Hoyle, 1883)
| `?- H. nierstraszi (Adam, 1938) [status doubtful]
|--o Pinnoctopus d'Orbingy, 1845 ()? [2]
| |-- P. cordiformis (Quoy & Gaimard, 1832)
| `-- P. kermadecensis (Berry, 1914)
|--o PteroctopusFischer, 1882 in Fischer, 1880-1887 ()? [5-6]
| |-- P. tetracirrhus (Chiaie, 1830)
| |-- P. eurycephale (Taki, 1964)
| |-- P. hoylei (Berry, 1909)
| |-- P. keralensis (Oommen, 1966)
| |-- P. schmidti (Joubin, 1933)
| `?- P. witjazi Akimushkin, 1963) [status doubtful]
|?-o Robsonella Adam, 1938 ()? [2] [status doubtful]
| |-- R. fontaniana (d'Orbigny, 1834 in Ferussac & d'Orbigny, 1834-1848)
| `-- R. huttoni Benham, 1943
`--o Scaeurgus Troschel, 1857 ()? [2]
|-- S. unicirrhus (Chiaie, 1839-1841 in Ferussac & d'Orbigny, 1834-1848)
`-- S. patagiatus Berry, 1913
Reference(s):
Felley, J., Vecchione, M., Roper, C. F. E., Sweeney, M. &
Christensen, T., 2001-2003: Current Classification of Recent Cephalopoda.
–iNet: National Museum of Natural History: Departent of
Systematic Biology: Invertebrate Zoology: http://www.mnh.si.edu/cephs/
Mangold, K. M. & Young, R. E., 1996-1999: Incirrata -
Common octopods, octopuses or devilfishes.
–iNet: The Tree of Life:
http://www.soest.hawaii.edu/tree/cephalopoda/coleoidea/octopodiformes/octopoda/incirrata/incirrata.html
Mangold, K. M., Young, R. E. & Vecchione, M., 1996-1999:
Octopoda - Octopods or devilfishes.
–iNet: The Tree of Life:
http://www.soest.hawaii.edu/tree/cephalopoda/coleoidea/octopodiformes/octopoda/octopoda.html