After "The Tree of Life" and Felley, Vecchione, Roper, Sweeney & Christensen, 2001-
<==o Cranchiidae Prosch, 1847
|--o Cranchiinae (Prosch, 1847) Pfeffer, 1912
| |?- Drechselia danae Joubin, 1931 [status doubtful]
| |-- Cranchia scabra Leach, 1817
| |--o Liocranchia Pfeffer, 1884
| | |-- L. reinhardti (Steenstrup, 1856)
| | |-- L. gardineri (Robson, 1921)
| | `-- L. valdiviae Chun, 1910
| `--o Leachia Lesueur, 1821
| |--o (Leachia) Lesueur, 1821
| | |-- L. (L.) cyclura Lesueur, 1821
| | `-- L. (L.) ellipsoptera Adams & Reeve, 1848
| `--o (Pyrgopsis) Rochebrune, 1884
| |-- L. (P.) rynchophorus Rochebrune, 1884
| |-- L. (P.) atlantica (Degner, 1925)
| `-- L. (P.) pacifica (Issel, 1908)
`--o Taoniinae Pfeffer, 1912
|-- Taonius pavo (Lesueur, 1821) Steenstrup, 1861
|--o Belonella Lane, 1957
| |-- B. belone (Chun, 1906)
| `-- B. borealis Nesis, 1972
|--o Galiteuthis Joubin, 1898
| |-- G. armata Joubin, 1898
| |-- G. glacialis (Chun, 1906)
| |-- G. pacifica (Robson, 1948)
| |-- G. phyllura Berry, 1911
| `-- G. suhmi (Hoyle, 1885)
|-- Mesonychoteuthis hamiltoni Robson, 1925 (colossal squid; kolossaalinenkalmari)
|--o Helicocranchia Massy, 1907
| |-- H. pfefferi Massy, 1907
| |-- H. joubini (Voss, 1962)
| `-- H. papillata (Voss, 1960)
|-- Bathothauma lyromma Chun, 1906
|-- Sandalops melancholicus Chun, 1906
|--o Liguriella Issel, 1908
| |-- L. podophthalma Issel, 1908
| `-- L. pardus (Berry, 1916)
|-- Egea inermis Joubin, 1933
|--o Megalocranchia Pfeffer, 1884
| |-- M. maxima Pfeffer, 1884
| |-- M. abyssicola (Goodrich, 1896)
| `-- M. oceanica (Voss, 1960)
`--o Teuthowenia Chun, 1910
|-- T. megalops (Prosch, 1847)
|-- T. maculata (Leach, 1817)
`-- T. pellucida (Chun, 1910)
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/
