• Aegina citrea Eschscholtz, 1829
• Aegina rosea Eschscholtz, 1829
• Aeginopsis laurentii Brandt, 1838
• Aeginura grimaldii Maas, 1904
• Aglantha digitale (O. F. Müller, 1776)
• Aglantha elata (Haeckel, 1879)
• Aglaura hemistoma Péron & Lesueur, 1810
• Amphogona pusilla Hartlaub, 1909
• Arctapodema ampla (Vanhöffen, 1902)
• Arctapodema australe (Vanhöffen, 1912) accepted as Arctapodema australis (Vanhöffen, 1912)
• Arctapodema australis (Vanhöffen, 1912)
• Armorhydra janowiczi Swedmark & Teissier, 1958
• Botrynema brucei Browne, 1908
• Botrynema brucei ellinorae (Hartlaub, 1909)
• Botrynema ellinorae (Hartlaub, 1909) accepted as Botrynema brucei ellinorae (Hartlaub, 1909)
• Colobonema sericeum Vanhöffen, 1902
• Craspedacusta sowerbii Lankester, 1880
• Crossota norvegica Vanhöffen, 1902
• Crossota rufobrunnea (Kramp, 1913)
• Cunina fowleri (Browne, 1906)
• Cunina frugifera Kramp, 1948
• Cunina globosa Eschscholtz, 1829
• Cunina lativentris Gegenbaur, 1857 accepted as Cunina globosa Eschscholtz, 1829
• Cunina octonaria McCrady, 1859
• Cunina polygonia (Haeckel, 1879) (uncertain > taxon inquirendum)
• Cunina proboscidea Metschnikoff & Metschnikoff, 1871
• Cunina simplex Gili, Bouillon, Pagès, Palanques, Puig & Heussner, 1998
• Cunina vitrea Gegenbaur, 1857 (uncertain > taxon inquirendum)
• Cunoctantha fowleri Browne, 1906 accepted as Cunina fowleri (Browne, 1906)
• Geryonia proboscidalis (Forsskål, 1775)
• Gonionemus vertens A. Agassiz, 1862
• Gonionemus vindobonensis Joseph, 1918 accepted as Gonionemus vertens A. Agassiz, 1862
• Gossea corynetes (Gosse, 1853) accepted as Octobulbacea corynetes (Gosse, 1853)
• Gossea faureae Picard, 1952 accepted as Octobulbacea faureae (Picard, 1952)
• Halammohydra adherens Swedmark & Teissier, 1967
• Halammohydra coronata Clausen, 1967
• Halammohydra intermedia Clausen, 1967
• Halammohydra neglecta Clausen, 1991 (unaccepted > nomen nudum)
• Halammohydra octopodides Remane, 1927
• Halammohydra schulzei Remane, 1927
• Halammohydra vermiformis Swedmark & Teissier, 1958
• Halicreas minimum Fewkes, 1882
• Halicreas papillosum Vanhöffen, 1902 accepted as Halicreas minimum Fewkes, 1882
• Haliscera bigelowi Kramp, 1947
• Haliscera conica Vanhöffen, 1902
• Haliscera racovitzae (Maas, 1906)
• Halitrephes maasi Bigelow, 1909
• Homoeonema platygonon Maas, 1893
• Homoeonema racovitzae Maas, 1906 accepted as Haliscera racovitzae (Maas, 1906)
• Liriope tetraphylla (Chamisso & Eysenhardt, 1821)
• Maeotias inexpectata Ostroumoff, 1896 accepted as Maeotias marginata (Modeer, 1791)
• Maeotias marginata (Modeer, 1791)
• Microhydrula pontica Valkanov, 1965
• Monobrachium parasitum Mereschkowsky, 1877
• Octohydra tremulans Lacassagne, 1973 accepted as Otohydra tremulans Lacassagne, 1973
• Octohydra vagans Swedmark & Teissier, 1958 accepted as Otohydra vagans Swedmark & Teissier, 1958
• Olindias muelleri Haeckel, 1879
• Olindias phosphorica (sensu Delle Chiaje, 1841) accepted as Olindias muelleri Haeckel, 1879
• Otohydra tremulans Lacassagne, 1973 (unaccepted > nomen nudum)
• Otohydra vagans Swedmark & Teissier, 1958
• Pantachogon haeckeli Maas, 1893
• Pantachogon militare (Maas, 1893)
• Pegantha clara R.P. Bigelow, 1909
• Pegantha mollicina (Forsskål, 1775) (uncertain > taxon inquirendum)
• Pegantha rubiginosa (Kölliker, 1853)
• Pegantha triloba Haeckel, 1879
• Pegantha zonaria (Haeckel, 1879) (uncertain > taxon inquirendum)
• Persa incolorata McCrady, 1859
• Petasus atavus Haeckel, 1879
• Ptychogastria asteroides (Haeckel, 1879)
• Ptychogastria polaris Allman, 1878
• Ransonia krampi (Ranson, 1932)
• Rhaptapagis cantacuzenei Bouillon & Deroux, 1967
• Rhopalonema funerarium Vanhöffen, 1902
• Rhopalonema velatum Gegenbaur, 1857
• Scolionema suvaense (Agassiz & Mayer, 1899)
• Sminthea arctica (Hartlaub, 1909) (uncertain > taxon inquirendum)
• Sminthea eurygaster Gegenbaur, 1857
• Solmaris corona (Keferstein & Ehlers, 1861)
• Solmaris flavescens (Kölliker, 1853)
• Solmaris leucostyla (Will, 1844)
• Solmaris solmaris (Gegenbaur, 1857)
• Solmaris vanhoeffeni Neppi & Stiasny, 1911 accepted as Solmaris flavescens (Kölliker, 1853)
• Solmissus albescens (Gegenbaur, 1857)
• Solmissus incisa (Fewkes, 1886)
• Solmissus incisus (Fewkes, 1886) accepted as Solmissus incisa (Fewkes, 1886)
• Solmundella bitentaculata (Quoy & Gaimard, 1833)
• Tesserogastria musculosa Beyer, 1958
• Tetraplatia volitans Busch, 1851
• Tetrorchis erythrogaster Bigelow, 1909