Cephalopoda
- Endoceratoidea
- Actinoceratoidea
- Orthoceratoidea
- Nautiloidea Agassiz, 1847
- Nautilus belauensis
- Nautilus macromphalus
- Nautilus pompilius
- Nautilus repertus ?
- Nautilus stenomphalus
- Allonautilus scrobiculatus
- Ammonoidea
- Coleoidea Bather, 1888 (octopods, squids, cuttlefishes and their relatives)
- Belemnoidea
- Neocoleoidea
- Decapodiformes Leach, 1817 (squids, cuttlefishes and their relatives)
- Bathyteuthoidea Vecchione, Young and Sweeney, 2004
- Bathyteuthidae Pfeffer 1900
- Bathyteuthis
- Bathyteuthis abyssicola Hoyle 1885
- Bathyteuthis bacidifera Roper 1968
- Bathyteuthis berryi Roper 1968
- Chtenopterygidae Grimpe 1922
- Chtenopteryx
- Chtenopteryx canariensis Salcedo-Vargas and Guerrero-Kommritz 2000
- Chtenopteryx sepioloides Rancurel 1970
- Chtenopteryx sicula (Verany 1851)
- Idiosepiidae Appellof, 1898
- Idiosepius
- Idiosepius biserialis
- Idiosepius macrocheir
- Idiosepius mimus (?)
- Idiosepius notoides
- Idiosepius picteti
- Idiosepius paradoxus
- Idiosepius pygmaeus
- Idiosepius thailandicus
- Myopsida Naef, 1916
- Australiteuthidae
- Australiteuthis
- Australiteuthis aldrichi Lu, 2005
- Loliginidae Lesueur, 1821
- Loligo Lamarck, 1789
- Loligo forbesii Steenstrup, 1856
- Loligo vulgaris Lamarck, 1798
- Loligo reynaudii Orbigny, 1845
- Afrololigo
- Afrololigo mercatoris Brakoniecki, 1986
- Alloteuthis Wulker, 1920
- Alloteuthis africanusAdam, 1950
- Alloteuthis media(Linnaeus, 1758)
- Alloteuthis subulata(Lamarck, 1798)
- Doryteuthis Naef, 1912
- Doryteuthis (Amerigo)
- Doryteuthis gahi(D'Orbigny, 1835)
- Doryteuthis ocula(Cohen, 1976)
- Doryteuthis opalescens(Berry, 1911)
- Doryteuthis pealeii(Lesueur, 1821)
- Doryteuthis surinamensis(Voss, 1974)
- Doryteuthis (Doryteuthis)
- Doryteuthis roperi(Cohen, 1976)
- Doryteuthis plei(Blainville, 1823)
- Doryteuthis (subgenus undescribed) sanpaulensis(Brachoniencki, 1984)
- Heterololigo
- Heterololigo bleekeri Natsukari, 1984
- Loliolus Steenstrup, 1856
- Loliolus (Loliolus)
- Loliolus affinis
- Loliolus hardwickei
- Loliolus (Nipponololigo)
- Loliolus beka
- Loliolus japonica
- Loliolus sumatrensis
- Loliolus uyii
- Lolliguncula Steenstrup, 1881
- Lolliguncula (Lolliguncula)
- Lolliguncula argus
- Lolliguncula panamensis
- Lolliguncula brevis(Blainville, 1823)
- Lolliguncula (Loliolopsis) diomedeae
- Pickfordiateuthis Voss, 1953
- Pickfordiateuthis bayeri
- Pickfordiateuthis pulchella
- Pickfordiateuthis vossi
- Pickfordiateuthis species A
- Sepioteuthis Blainville, 1824
- Sepioteuthis sepioidea(Blainville, 1823)
- Sepioteuthis australis
- Sepioteuthis lessoniana
- Uroteuthis Rehder, 1945
- Uroteuthis (Uroteuthis) bartschi
- Uroteuthis (Aestuariolus) nocticula
- Uroteuthis (Photololigo)
- Uroteuthis abulati
- Uroteuthis arabica
- Uroteuthis bengalensis
- Uroteuthis chinensis
- Uroteuthis duvaucelii
- Uroteuthis edulis
- Uroteuthis pickfordae
- Uroteuthis robsoni
- Uroteuthis sibogae
- Uroteuthis singhalensis
- Uroteuthis vossi
- Uroteuthis (subgenus uncertain) pickfordi
- Uroteuthis (subgenus uncertain) reesi
- Oegopsida Orbigny, 1845
- Architeuthidae
- Architeuthis
- Architeuthiis dux Pfeffer 1900
- Brachioteuthidae Pfeffer 1908
- Brachioteuthis
- Brachioteuthis beanii
- Brachioteuthis behnii
- Brachioteuthis linkovskyi
- Brachioteuthis picta
- Brachioteuthis riisei
- Slosarczykovia
- Chiroteuthid families
- 1. Batoteuthidae
- Batoteuthis
- Batoteuthis skolops Young and Roper, 1968
- 2. Chiroteuthidae Gray, 1849
- Asperoteuthis Nesis, 1980
- Asperoteuthis acanthoderma (Lu, 1977)
- Asperoteuthis mangoldae Young, Vecchione and Roper, 2007
- Asperoteuthis lui Salcedo-Vargas, 1999
- Asperoteuthis nesisi Arkhipkin and Laptikhovsky, 2008
- Asperoteuthis sp. B
- Chiroteuthis Orbigny, 1841
- Chiroteuthis sp. B2
- Chiroteuthis calyx Young, 1972
- Chiroteuthis joubini Voss, 1967
- Chiroteuthis mega (Joubin, 1932)
- Chiroteuthis picteti Joubin, 1894
- Chiroteuthis spoeli Salcedo-Vargas, 1996
- Chiroteuthis veranyi (Ferussac, 1835)
- Grimalditeuthis
- Grimalditeuthis bonplandi Joubin, 1898
- Planctoteuthis Pfeffer, 1912
- Planctoteuthis danae (Joubin 1931)
- Planctoteuthis exopthalmica (Chun 1910)
- Planctoteuthis levimana (Lonnberg 1896)
- Planctoteuthis lippula (Chun 1908)
- Planctoteuthis oligobessa Young 1972
- New Genus B
- New Genus C
- 3. Joubiniteuthidae
- Joubiniteuthis
- Joubiniteuthis portieri Naef, 1922
- 4. Magnapinnidae Vecchione and Young, 1998
- Magnapinna atlantica Vecchione and Young, 2006
- Magnapinna sp. B
- Magnapinna sp. C
- Magnapinna pacifica Vecchione and Young, 1998
- Magnapinna talismani (Fischer and Joubin, 1907)
- 5. Mastigoteuthidae Verrill, 1881
- Mastigoteuthis agassizii-group
- Mastigoteuthis agassizii Verrill, 1881
- Mastigoteuthis dentata Hoyle, 1904
- Mastigoteuthis psychrophila Nesis, 1977
- Mastigoteuthis cordiformis Chun, 1908
- Mastigoteuthis danae (Joubin, 1933)
- Mastigoteuthis glaukopis-group
- Mastigoteuthis atlantica Joubin, 1933
- Mastigoteuthis famelica (Berry, 1909)
- Mastigoteuthis glaukopis Chun, 1908
- Mastigoteuthis hjorti Chun, 1913
- Mastigoteuthis magna-group
- Mastigoteuthis magna Joubin, 1913
- Mastigoteuthis microlucens Young, Lindgren and Vecchione, 2008
- Mastigoteuthis type beta
- Mastigoteuthis pyrodes Young, 1972
- Mastigoteuthis tyroi Salcedo-Vargas, 1997
- 6. Promachoteuthidae Naef, 1912
- Promachoteuthis megaptera Hoyle, 1885
- Promachoteuthis sloani Young, Vecchione and Piatkowski, 2006
- Promachoteuthis sp. B
- Promachoteuthis sulcus Young, Vecchione and Roper, 2007
- Promachoteuthis sp. D
- Cranchiidae Prosch, 1847
- Cranchiinae Pfeffer, 1912
- Cranchia
- Cranchia scabra Leach, 1817
- Liocranchia Pfeffer, 1884
- Liocranchia reinhardti (Steenstrup 1856)
- Liocranchia valdiviae Chun 1906
- Leachia Lesueur, 1821
- Leachia atlantica
- Leachia cyclura
- Leachia danae
- Leachia dislocata Young, 1972
- Leachia lemur
- Leachia pacifica
- Leachia sp. A
- Taoniinae Pfeffer, 1912
- Bathothauma
- Bathothauma lyromma Chun, 1906
- Helicocranchia Massy, 1907 Massy, 1907
- Helicocranchia pfefferi Massy, 1907
- Helicocranchia papillata
- Helicocranchia joubini
- Sandalops
- Sandalops melancholicus Chun, 1906
- Liguriella
- Liguriella podophtalma Issel, 1908
- Mesonychoteuthis
- Mesonychoteuthis hamiltoni Robson, 1925
- Galiteuthis Joubin, 1898
- Galiteuthis armata
- Galiteuthis glacialis Chun, 1906
- Galiteuthis pacifica Robson, 1948
- Galiteuthis phyllura Berry, 1911
- Galiteuthis suhmi
- Taonius Steenstrup, 1861
- Taonius belone (Chun, 1906)
- Taonius borealis (Nesis, 1972)
- Taonius pavo (Lesueur, 1921)
- Teuthowenia Chun, 1910
- Teuthowenia megalops Prosch 1947
- Teuthowenia maculata Leach 1817
- Teuthowenia pellucida (Chun 1910)
- Megalocranchia Pfeffer, 1884
- Megalocranchia sp. A
- Megalocranchia fisheri
- Megalocranchia maxima
- Megalocranchia oceanica
- Egea
- Egea inermis Joubin, 1933
- Cycloteuthidae Naef, 1923
- Cycloteuthis
- Cycloteuthis sirventyi Joubin, 1919
- Discoteuthis Young and Roper, 1969
- Discoteuthis discus Young and Roper 1969
- Discoteuthis laciniosa Young and Roper 1969
- Discoteuthis sp. A
- Discoteuthis sp. B
- Enoploteuthid families
- 1. Ancistrocheiridae
- Ancistrocheirus
- Ancistrocheirus lesueurii Pfeffer 1912
- 2. Enoploteuthidae Pfeffer 1900
- Enoploteuthis Orbigny in Rüppell 1844
- Enoploteuthis (Enoploteuthis)
- Enoploteuthis leptura (Leach, 1817)
- Enoploteuthis magnoceani (Nesis, 1982)
- Enoploteuthis obliqua Burgess, 1982
- Enoploteuthis octolineata Burgess, 1982
- Enoploteuthis reticulata Rancurel, 1970
- Enoploteuthis (Paraenoploteuthis)
- Enoploteuthis anapsis Roper, 1964
- Enoploteuthis chuni Ishikawa, 1914
- Enoploteuthis galaxias Berry, 1918
- Enoploteuthis higginsi Burgess, 1982
- Enoploteuthis jonesi Burgess, 1982
- Enoploteuthis semilineata Alexeyev, 1994
- Abralia Gray 1849
- Abralia (Abralia)
- Abralia armata
- Abralia multihamata Sasaki, 1929
- Abralia renschi
- Abralia spaercki Grimpe, 1931
- Abralia steindachneri Weindl, 1914
- Abralia (Asteroteuthis)
- Abralia veranyi (Rüppell, 1844)
- Abralia (Astrabralia)
- Abralia astrolineata Berry, 1914
- Abralia astrosticta Berry, 1909
- Abralia (Pygmabralia)
- Abralia grimpei Voss, 1958
- Abralia omiaeHidaka and Kubodera, 2000
- Abralia redfieldi Voss, 1955
- Abralia similis Okutani and Tsuchiya, 1987
- Abralia (Heterabralia)
- Abralia andamanica (Goodrich, 1896)
- Abralia heminuchalisBurgess, 1992
- Abralia robsoni
- Abralia siedleckyi Lipinski, 1983
- Abralia trigonura Berry, 1913
- Abralia (Enigmoteuthis)
- Abralia dubia
- Abralia fasciolata Tsuchiya, 1991
- Abralia marisarabica Okutani, 1983
- Abraliopsis Joubin 1896
- Abraliopsis (Abraliopsis)
- Abraliopsis felis McGowan and Okutani, 1968
- Abraliopsis hoylei (Pfeffer, 1884)
- Abraliopsis morisii (Vérany, 1839)
- Abraliopsis pacificus Tsuchiya and Okutani, 1991
- Abraliopsis tui Riddell, 1985
- Abraliopsis (Micrabralia)
- Abraliopsis lineata (Goodrich, 1996)
- Abraliopsis gilchristi (Robson, 1924)
- Abraliopsis (Pfefferiteuthis)
- Abraliopsis affinis (Pfeffer, 1912)
- Abraliopsis atlantica Nesis, 1982
- Abraliopsis chuni Nesis, 1982
- Abraliopsis falco Young, 1972
- Abraliopsis (Abraliopsis)
- Watasenia
- Watasenia scintillans Ishikawa 1914
- 3. Lycoteuthidae Pfeffer, 1908
- Lampadioteuthis
- Lampadioteuthis megaleia Berry, 1916
- Lycoteuthis Pfeffer, 1900
- Lycoteuthis lorigera (Steenstrup, 1875)
- Lycoteuthis springeri Voss (1956)
- Nematolampas Berry, 1913
- Nematolampas regalis Berry, 1913
- Nematolampas venezuelensis Arocha, 2003
- Selenoteuthis
- Selenoteuthis scintillans Voss, 1958
- 4. Pyroteuthidae Pfeffer, 1912
- Pterygioteuthis Fischer, 1896
- Pterygioteuthis gemmata group
- Pterygioteuthis gemmata Chun, 1908
- Pterygioteuthis microlampas Berry, 1913
- Pterygioteuthis giardi group
- Pterygioteuthis giardi Fischer, 1896
- Pterygioteuthis hoylei Pfeffer, 1912
- Pyroteuthis Hoyle, 1904
- Pyroteuthis addolux Young, 1972
- Pyroteuthis margaritifera (Ruppell, 1844)
- Pyroteuthis serrata Riddell, 1985
- Gonatidae Hoyle, 1886
- Gonatopsis Sasaki, 1920
- Gonatopsis borealis Sasaki, 1923
- Gonatopsis japonicus Okiyama, 1969
- Gonatopsis makko Okutani & Nemoto, 1964
- Gonatopsis octopedatus Sasaki, 1920
- Gonatopsis sp. A
- Gonatopsis okutanii ? Nesis, 1972
- Berryteuthis Naef, 1921
- Berryteuthis anonychus (Pearcy & Voss, 1963)
- Berryteuthis magister (Berry, 1913)
- Berryteuthis magister nipponensis Okutani & Kubodera, 1987
- Berryteuthis magister shevtsovi Katugin, 2000
- Berryteuthis magister magister (Berry, 1913)
- Eogonatus
- Eogonatus tinro Nesis, 1972
- Gonatus Gray, 1849
- Gonatus antarcticus Lönnberg, 1898
- Gonatus berryi Naef, 1923
- Gonatus californiensis Young, 1972
- Gonatus fabricii (Lichtenstein, 1818)
- Gonatus kamtschaticus
- Gonatus madokai Kubodera & Okutani, 1977
- Gonatus middendorffi Kubodera & Okutani, 1981
- Gonatus onyx Young, 1972
- Gonatus oregonensis Jefferts, 1985
- Gonatus pyros Young, 1972
- Gonatus steenstrupi Kristensen, 1981
- Gonatus_ursabrunae Jefferts, 1985
- Histioteuthid families
- 1. Histioteuthidae Verrill, 1881
- Histioteuthis bonnellii-group
- Histioteuthis bonnellii (Ferussac, 1834)
- Histioteuthis macrohista Voss, 1969
- Histioteuthis reversa-group
- Histioteuthis atlantica (Hoyle, 1885)
- Histioteuthis eltaninae Voss, 1969
- Histioteuthis reversa (Verrill, 1880)
- Histioteuthis celetaria-group
- Histioteuthis sp. A
- Histioteuthis celetaria (Voss, 1960)
- Histioteuthis inermis Taki, 1964
- Histioteuthis pacifica (Voss, 1962)
- Histioteuthis corona-group
- Histioteuthis berryi Voss, 1969
- Histioteuthis cerasina Nesis, 1971
- Histioteuthis corona (Voss and Voss, 1962)
- Histioteuthis miranda-group
- Histioteuthis miranda (Berry, 1918)
- Histioteuthis oceani (Robson, 1948)
- Histioteuthis meleagroteuthis-group
- Histioteuthis heteropsis (Berry, 1913)
- Histioteuthis meleagroteuthis (Chun, 1910)
- Stigmatoteuthis
- Stigmatoteuthis arcturi Robson, 1948
- Stigmatoteuthis dofleini Pfeffer, 1912
- Stigmatoteuthis hoylei (Goodrich, 1896)
- 2. Psychroteuthidae
- Psychroteuthis
- Psychroteuthis glacialis Thiele, 1920
- Lepidoteuthid families
- 1. Lepidoteuthidae
- Lepidoteuthis
- Lepidoteuthis grimaldii Pfeffer, 1912
- 2. Octopoteuthidae Berry, 1912
- Octopoteuthis Ruppell, 1844
- Octopoteuthis danae
- Octopoteuthis deletron Young, 1972
- Octopoteuthis indica
- Octopoteuthis neilseni
- Octopoteuthis megaptera
- Octopoteuthis rugosa
- Octopoteuthis sicula
- Taningia
- Taningia danae Joubin, 1931
- 3. Pholidoteuthidae Adam, 1950
- Pholidoteuthis
- Pholidoteuthis adami Voss, 1956
- Pholidoteuthis massyae (Peffer, 1912)
- Neoteuthidae Naef, 1921
- Alluroteuthis
- Alluroteuthis antarcticus Odhner, 1923
- Neoteuthis
- Neoteuthis thielei Naef, 1921
- Nototeuthis
- Nototeuthis dimegacotyle Nesis & Nikitina, 1986
- Narrowteuthis
- Narrowteuthis nesisi Young and Vecchione, 2005
- Ommastrephidae Steenstrup, 1857
- Illicinae Posselt, 1891
- Illex
- Illex argentinus
- Illex coindetii (Verany, 1839)
- Illex illecebrosus (Lesueur, 1821)
- Illex oxygonius Roper, Lu and Mangold, 1969
- Ommastrephinae Posselt, 1891
- Dosidicus
- Dosidicus gigas (Orbigny, 1835)
- Eucleoteuthis
- Eucleoteuthis luminosa (Sasaki, 1915)
- Hyaloteuthis
- Hyaloteuthis pelagica (Bosc, 1802)
- Ommastrephes
- Ommastrephes bartramii (Lesueur, 1821)
- Ornithoteuthis Okada, 1927
- Ornithoteuthis antillarum Adam, 1957
- Ornithoteuthis volatilis (Sasaki, 1915)
- Sthenoteuthis Verrill, 1880
- Sthenoteuthis oualaniensis (Lesson, 1830)
- Sthenoteuthis pteropus
- Todarodinae Adam, 1960
- Martialia
- Martialia hyadesi Rochebrune & Mabile, 1889
- Nototodarus Pfeffer, 1912
- Nototodarus gouldi
- Nototodarus hawaiiensis (Berry, 1912)
- Nototodarus sloanii
- TodarodesSteenstrup, 1880
- Todarodes angolensis
- Todarodes filippovaeAdam, 1975
- Todarodes pacificus
- Todarodes pusillus
- Todarodes sagittatus
- Todaropsis
- Onychoteuthidae Gray, 1849
- Ancistroteuthis
- Ancistroteuthis lichtensteini Gray 1849
- Filippovia
- Filippovia knipovitchi Gray 1849
- Kondakovia
- Kondakovia longimana Filippova, 1972
- Kondakovia nigmatullini
- Notonykia Nesis, Roeleveld & Nikitina, 1998
- Notonykia nesisi Bolstad, 2007
- Notonykia africanae Nesis, Roeleveld & Nikitina, 1998
- Onychoteuthis Lichtenstein, 1818
- Onychoteuthis banksii (Leach, 1817)
- Onychoteuthis bergii Lichtenstein, 1818
- Onychoteuthis aequimanus Gabb, 1868
- Onychoteuthis mollis Appellöf, 1891
- Onychoteuthis borealijaponica Okada, 1927
- Onychoteuthis compacta (Berry, 1913)
- Onychoteuthis lacrima Bolstad and Seki in Bolstad, 2008
- Onychoteuthis meridiopacifica Rancurel & Okutani, 1990
- Onychoteuthis prolata (Leach, 1817)
- Onychoteuthis horstkottei Bolstad, 2010
- Onykia Lesueur, 1821
- Onykia carriboea Lesueur, 1821
- Onykia aequatorialis Lesueur, 1821
- Onykia ingens (Smith, 1881)
- Onykia lonnbergii (Ishikawa & Wakiya, 1914)
- Onykia robsoni (Adam, 1962)
- Onykia robusta (Verrill, 1876)
- Onykia indica
- Onykia sp. A
- Callimachus (=Walvisteuthis) (Bolstad, 2010
- Callimachus rancureli
- Callimachus youngorum
- Thysanoteuthidae
- Thysanoteuthis
- Thysanoteuthis rhombus Keferstein, 1866
- Sepioidea Naef, 1916
- Sepiidae Keferstein. 1866
- Metasepia Hoyle, 1885
- Metasepia pfefferi
- Metasepia tullbergi
- Sepia Linnè, 1758
- Sepia with 109 spp
- Sepiella Gray, 1849
- Sepiella ornata
- Sepiella cyanea
- Sepiella inermis
- Sepiella mangkangunga
- Sepiella japonica
- Sepiella ocellata
- Sepiella weberi
- Sepiolida Keferstein, 1866
- Sepiolidae Leach 1817
- Choneteuthis **Subfamilial affinities uncertain
- Choneteuthis tongaensis Lu and Boucher-Rodoni 2006
- New Subfamily Young, et al.
- New Genus New Species A Young, et al.
- New Genus New Species B Young, et al.
- Rossiinae Appellof, 1898
- Austrorossia Berry, 1918
- Austrorossia australis
- Austrorossia antillensis
- Austrorossia bipapillata
- Austrorossia enigmatica?
- Austrorossia mastigophora
- Neorossia Boletzky, 1971
- Neorossia caroli
- Neorossia leptodons
- Rossia Owen, 1834
- Rossia brachyura
- Rossia bullisi
- Rossia enigmatica
- Rossia macrosoma
- Rossia megaptera
- Rossia moelleri
- Rossia mollicella
- Rossia pacifica diegensis
- Rossia pacifica pacifica
- Rossia palpebrosa
- Rossia tortugaensis
- Semirossia Steenstrup, 1887
- Semirossia equalis
- Semirossia patagonica
- Semirossia tenera
- Heteroteuthinae Appellof, 1898
- Heteroteuthis Gray, 1849
- Heteroteuthis dispar (Rüppell, 1844)
- Heteroteuthis hawaiiensis Berry, 1909
- Heteroteuthis dagamensis Robson, 1924
- Heteroteuthis sp. A
- Nectoteuthis
- Nectoteuthis pourtalesi Verrill, 1883
- Iridoteuthis Naef, 1912
- Iridoteuthis iris (Berry, 1909)
- Iridoteuthis sp. A
- Amphorateuthis
- Amphorateuthis alveatus Young, Vecchione and Roper, 2007
- Stoloteuthis Verrill, 1881
- Stoloteuthis leucoptera (Verrill, 1878)
- Stoloteuthis maoria (Dell, 1959)
- Stoloteuthis weberi (Joubin, 1902)
- Sepiolina
- Sepiolina nipponensis Naef, 1912
- Sepiolinae Appellof, 1898
- Euprymna Steenstrup, 1887
- Euprymna albatrossae
- Euprymna berryi
- Euprymna hoylei
- Euprymna hyllebergi
- Euprymna morsei
- Euprymna penares?
- Euprymna phenax
- Euprymna scolopes
- Euprymna stenodactyla
- Euprymna tasmanica
- Inioteuthis Verrill, 1881
- Inioteuthis japonica
- Inioteuthis maculosa
- Rondeletiola Naef, 1921
- Rondeletiola capensis
- Rondeletiola minor
- Sepietta Naef, 1912
- Sepietta neglecta
- Sepietta oweniana
- Sepietta petersi
- Sepiola Leach, 1817
- Sepiola affinis
- Sepiola atlantica Orbigny, 1840
- Sepiola aurantiaca
- Sepiola birostrata
- Sepiola intermedia
- Sepiola knudseni
- Sepiola ligulata
- Sepiola parva
- Sepiola pfefferi?
- Sepiola robusta
- Sepiola rondeleti
- Sepiola rossiaeformis?
- Sepiola steenstrupiana
- Sepiola trirostrata
- Sepiadariidae Fischer, 1882
- Sepioloidea
- Sepioloidea lineolata
- Sepioloidea magna
- Sepioloidea pacifica
- Sepiadarium
- Sepiadarium auritum
- Sepiadarium austrinum
- Sepiadarium gracilis
- Sepiadarium kochii
- Sepiadarium nipponianum
- Spirulida
- Spirulidae
- Spirula
- Spirula spirula Owen, 1836
- Octopodiformes Berthold and Engeser, 1987 (vampire squid and octopods)
- Octopoda Leach, 1818
- Cirrata Grimpe, 1916
- Opisthoteuthidae Verrill, 1896
- Cirroctopus Naef, 1923
- Cirroctopus antarctica (Kubodera & Okutani, 1986)
- Cirroctopus glacialis (Robson, 1930)
- Cirroctopus hochbergi O'Shea, 1999
- Cirroctopus mawsoni (Berry, 1917)
- Cryptoteuthis
- Cryptoteuthis brevibracchiata Collins, 2004
- Grimpoteuthis Robson, 1932
- Grimpoteuthis abyssicola O'Shea, 1999
- Grimpoteuthis bathynectes Voss & Pearcy, 1990
- Grimpoteuthis boylei Collins 2003
- Grimpoteuthis challengeri Collins 2003
- Grimpoteuthis discoveryi Collins 2003
- Grimpoteuthis hippocrepium (Hoyle, 1904)
- Grimpoteuthis innominata (O'Shea, 1999)
- Grimpoteuthis meangensis (Hoyle, 1985)
- Grimpoteuthis megaptera (Verrill, 1885)
- Grimpoteuthis pacifica (Hoyle, 1885)
- Grimpoteuthis plena (Verrill, 1885)
- Grimpoteuthis tuftsi Voss & Pearcy, 1990
- Grimpoteuthis umbellata (Fischer, 1883)
- Grimpoteuthis wuelkeri Grimpe, 1920
- Luteuthis O'Shea, 1999
- Luteuthis dentatus (O'Shea, 1999)
- Luteuthis shuishi (O'Shea & Lu, 2002)
- Opisthoteuthis Verrill, 1883
- Opisthoteuthis agassizii Verrill, 1883
- Opisthoteuthis albatrossi (Sasaki, 1920)
- Opisthoteuthis borealis Collins, 2005
- Opisthoteuthis bruuni Voss, 1982
- Opisthoteuthis californiana Berry, 1949
- Opisthoteuthis calypso Villanueva, Collins, Sanchez and Voss 2002
- Opisthoteuthis chathamensis O'Shea, 1999
- Opisthoteuthis depressa Ijima & Ikeda, 1895
- Opisthoteuthis dongshaensis
- Opisthoteuthis extensa Thiele, 1915
- Opisthoteuthis grimaldii Joubin, 1903
- Opisthoteuthis hardyi Villanueva, Collins, Sanchez and Voss 2002
- Opisthoteuthis massyae (Grimpe, 1920)
- Opisthoteuthis medusoides Thiele, 1915
- Opisthoteuthis mero O'Shea, 1999
- Opisthoteuthis persephone Berry, 1918
- Opisthoteuthis philipii Oommen, 1976
- Opisthoteuthis pluto Berry, 1918
- Opisthoteuthis robsoni O'Shea, 1999
- Cirroteuthidae Keferstein 1866 Keferstein, 1866
- Cirroteuthis
- Cirroteuthis muelleri Eschricht, 1836
- Cirrothauma Chun 1911
- Cirrothauma magna (Hoyle, 1885)
- Cirrothauma murrayi Chun, 1911
- Stauroteuthidae Grimpe, 1916
- Stauroteuthis
- Stauroteuthis gilchristi (Robson, 1924)
- Stauroteuthis syrtensis Verrill, 1879
- Incirrata Grimpe, 1916
- Octopodidae Orbigny, 1839
- Abdopus Norman and Finn, 2001
- Ameloctopus Norman, 1992
- Amphioctopus Fisher, 1882
- Callistoctopus Taki, 1964
- Cistopus Gray, 1849
- Euaxoctopus Voss, 1971
- Galeoctopus Norman, Boucher and Hochberg, 2004
- Grimpella Robson, 1928*
- Hapalochlaena Robson, 1929
- Macrochlaena ...
- Macroctopus ...
- Macrotritopus ...
- Octopus (sensu strictu) Cuvier, 1797*
- Paroctopus ...
- Pteroctopus Fischer, 1882*
- Robsonella ...
- Scaeurgus Troschel, 1857
- Teretoctopus ...
- Adelieledone Allcock, Hochberg, Rodhouse and Thorpe, 2003
- Bathypurpurata ...
- Bentheledone ...
- Graneledone Joubin, 1918
- Megaleledone Taki, 1961
- Microeledone Norman, Hochberg and Boucher-Rodoni, 2004
- Pareledone Robson, 1932
- Tetracheledone Voss, 1955
- Thaumeledone Robson, 1930*
- Velodona Chun, 1915
- Vosseledone Palacio, 1978
- Bathypolypus Grimpe, 1921
- Benthoctopus Grimpe, 1921*
- Enteroctopus Rochebrune and Mabille, 1889
- Vulcanoctopus Gonzalez and Guerra, 1998
- Eledone Leach, 1817
- Amphitretidae Hoyle, 1886
- Amphitretus
- Amphitretus pelagicus
- Amphitretus thielei
- Bolitaenidae Chun, 1911
- Bolitaena
- Bolitaena pygmaea (Verrill 1884)
- Japetella diaphana Hoyle 1885
- Vitreledonellidae
- Vitreledonella
- Vitreledonella richardi Robson, 1932
- Argonautoidea Naef, 1912
- Alloposidae
- Haliphron
- Haliphron atlanticus Verrill 1881
- Tremoctopodidae Tryon, 1879
- Tremoctopus
- Tremoctopus violaceus
- Tremoctopus gelatus
- Tremoctopus gracilis
- Tremoctopus robsoni
- Argonautidae Tryon, 1879
- Argonauta
- Argonauta argo
- Argonauta hians
- Argonauta boettgeri
- Argonauta nodosa
- Ocythoidae
- Ocythoe
- Ocythoe tuberculata Gray 1849
- Vampyromorpha
- Vampyroteuthidae
- Vampyroteuthis
- Vampyroteuthis infernalis Chun, 1903
