Crustacea Brünnich, 1772
- Branchiopoda Latreille, 1817
- Sarsostraca Tasch, 1969
- Anostraca Sars, 1867
- Artemiidae Grochowski, 1896
- Branchinectidae Daday, 1910
- Branchipodidae Simon, 1886
- Chirocephalidae Daday, 1910
- Polyartemiidae Simon, 1886
- Streptocephalidae Daday, 1910
- Thamnocephalidae Simon, 1886
- Anostraca Sars, 1867
- Phyllopoda Preuss, 1951
- Notostraca Sars, 1867
- Triopsidae Keilhack, 1909
- Diplostraca Gerstaecker, 1866
- Laevicaudata Linder, 1945
- Lynceidae Baird, 1845
- Spinicaudata Linder, 1945
- Cyzicidae Stebbing, 1910
- Leptestheriidae Daday, 1923
- Limnadiidae Baird, 1849
- Cyclestherida Sars, 1899
- Cyclestheriidae Sars, 1899
- Cladocera Latreille, 1829
- Ctenopoda Sars, 1865
- Holopediidae Sars, 1865
- Sididae Baird, 1850
- Anomopoda Stebbing, 1902
- Bosminidae Baird, 1845
- Chydoridae Stebbing, 1902
- Daphniidae Straus, 1820
- Macrotrichidae Norman & Brady, 1867
- Onychopoda Sars, 1865
- Cercopagididae Mordukhai-Boltovskoi, 1968
- Podonidae Mordukhai-Boltovskoi, 1968
- Polyphemidae Baird, 1845
- Haplopoda Sars, 1865
- Leptodoridae Lilljeborg, 1900
- Notostraca Sars, 1867
- Remipedia Yager, 1981
- Nectiopoda Schram, 1986
- Godzilliidae Schram, Yager & Emerson, 1986
- Speleonectidae Yager, 1981
- Nectiopoda Schram, 1986
- Cephalocarida Sanders, 1955
- Brachypoda Birshteyn, 1960
- Hutchinsoniellidae Sanders, 1955
- Brachypoda Birshteyn, 1960
- Maxillopoda Dahl, 1956
- Thecostraca Gruvel, 1905
- Facetotecta Grygier, 1985
- Ascothoracida Lacaze-Duthiers, 1880
- Laurida Grygier, 1987
- Lauridae Gruvel, 1905
- Petrarcidae Gruvel, 1905
- Synagogidae Gruvel, 1905
- Dendrogastrida Grygier, 1987
- Ascothoracidae Grygier, 1987
- Ctenosculidae Thiele, 1925
- Dendrogastridae Gruvel, 1905
- Laurida Grygier, 1987
- Cirripedia Burmeister, 1834
- Acrothoracica Gruvel, 1905
- Pygophora Berndt, 1907
- Cryptophialidae Gerstaecker, 1866
- Lithoglyptidae Aurivillius, 1892
- Apygophora Berndt, 1907
- Trypetesidae Stebbing, 1910
- Rhizocephala Müller, 1862
- Kentrogonida Delage, 1884
- Lernaeodiscidae Boschma, 1928
- Peltogastridae Lilljeborg, 1860
- Sacculinidae Lilljeborg, 1860
- Akentrogonida Häfele, 1911
- Chthamalophilidae Bocquet-Ve´drine, 1961
- Clistosaccidae Boschma, 1928
- Duplorbidae Høeg & Rybakov, 1992
- Mycetomorphidae Høeg & Rybakov, 1992
- Polysaccidae Lützen & Takahashi, 1996
- Thompsoniidae Høeg & Rybakov, 1992
- Thoracica Darwin, 1854
- Pedunculata Lamarck, 1818
- Heteralepadomorpha Newman, 1987
- Anelasmatidae Gruvel, 1905
- Heteralepadidae Nilsson-Cantell, 1921
- Koleolepadidae Hiro, 1933
- Malacolepadidae Hiro, 1937
- Microlepadidae Zevina, 1980
- Rhizolepadidae Zevina, 1980
- Iblomorpha Newman, 1987
- Iblidae Leach, 1825
- Lepadomorpha Pilsbry, 1916
- Lepadidae Darwin, 1852
- Oxynaspididae Gruvel, 1905
- Poecilasmatidae Annandale, 1909
- Scalpellomorpha Newman, 1987
- Calanticidae Zevina, 1978
- Lithotryidae Gruvel, 1905
- Pollicipedidae Leach, 1817
- Scalpellidae Pilsbry, 1907
- Sessilia Lamarck, 1818
- Brachylepadomorpha Withers, 1923
- Neobrachylepadidae Newman & Yamaguchi, 1995
- Verrucomorpha Pilsbry, 1916
- Neoverrucidae Newman, 1989
- Verrucidae Darwin, 1854
- Balanomorpha Pilsbry, 1916
- Chionelasmatoidea Buckeridge, 1983
- Chionelasmatidae Buckeridge, 1983
- Pachylasmatoidea Utinomi, 1968
- Pachylasmatidae Utinomi, 1968
- Chthamaloidea Darwin, 1854
- Catophragmidae Utinomi, 1968
- Chthamalidae Darwin, 1854
- Coronuloidea Leach, 1817
- Chelonibiidae Pilsbry, 1916
- Coronulidae Leach, 1817
- Platylepadidae Newman & Ross, 1976
- Tetraclitoidea Gruvel, 1903
- Bathylasmatidae Newman & Ross, 1971
- Tetraclitidae Gruvel, 1903
- Balanoidea Leach, 1817
- Archaeobalanidae Newman & Ross, 1976
- Balanidae Leach, 1817
- Pyrgomatidae Gray, 1825
- Tantulocarida Boxshall & Lincoln, 1983
- Basipodellidae Boxshall & Lincoln, 1983
- Deoterthridae Boxshall & Lincoln, 1987
- Doryphallophoridae Huys, 1991
- Microdajidae Boxshall & Lincoln, 1987
- Onceroxenidae Huys, 1991
- Branchiura Thorell, 1864
- Pentastomida Diesing, 1836
- Cephalobaenida Heymons, 1935
- Cephalobaenidae Fain, 1961
- Reighardiidae Heymons, 1935
- Porocephalida Heymons, 1935
- Armilliferidae Fain, 1961
- Diesingidae Fain, 1961
- Linguatulidae Heymons, 1935
- Porocephalidae Fain, 1961
- Sambonidae Fain, 1961
- Sebekiidae Fain, 1961
- Subtriquetridae Fain, 1961
- Cephalobaenida Heymons, 1935
- Mystacocarida Pennak & Zinn, 1943
- Mystacocaridida Pennak & Zinn, 1943
- Derocheilocarididae Pennak & Zinn, 1943
- Mystacocaridida Pennak & Zinn, 1943
- Copepoda Milne-Edwards, 1840
- Progymnoplea Lang, 1948
- Platycopioida Fosshagen, 1985
- Platycopiidae Sars, 1911
- Platycopioida Fosshagen, 1985
- Neocopepoda Huys & Boxshall, 1991
- Gymnoplea Giesbrecht, 1882
- Calanoida Sars, 1903
- Acartiidae Sars, 1900
- Aetideidae Giesbrecht, 1893
- Arietellidae Sars, 1902
- Augaptilidae Sars, 1905
- Bathypontiidae Brodsky, 1950
- Boholinidae Fosshagen & Iliffe, 1989
- Calanidae Dana, 1846
- Candaciidae Giesbrecht, 1893
- Centropagidae Giesbrecht, 1893
- Clausocalanidae Giesbrecht, 1893
- Diaixidae Sars, 1902
- Diaptomidae Baird, 1850
- Discoidae Gordejeva, 1975
- Epacteriscidae Fosshagen, 1973
- Eucalanidae Giesbrecht, 1893
- Euchaetidae Giesbrecht, 1893
- Fosshageniidae Sua´rez-Mora´ les & Iliffe, 1996
- Heterorhabdidae Sars, 1902
- Hyperbionychidae Ohtsuka, Roe & Boxshall, 1993
- Lucicutiidae Sars, 1902
- Mecynoceridae Andronov, 1973
- Megacalanidae Sewell, 1947
- Mesaiokeratidae Matthews, 1961
- Metridinidae Sars, 1902
- Nullosetigeridae Soh, Ohtsuka, Imbayashi & Suh, 1999
- Paracalanidae Giesbrecht, 1893
- Parapontellidae Giesbrecht, 1893
- Parkiidae Ferrari & Markhaseva, 1996
- Phaennidae Sars, 1902
- Pontellidae Dana, 1852
- Pseudocyclopidae Giesbrecht, 1893
- Pseudocyclopiidae Sars, 1902
- Pseudodiaptomidae Sars, 1902
- Rhincalanidae Geletin, 1976
- Ridgewayiidae Wilson, 1958
- Ryocalanidae Andronov, 1974
- Scolecitrichidae Giesbrecht, 1893
- Spinocalanidae Vervoort, 1951
- Stephidae Sars, 1902
- Sulcanidae Nicholls, 1945
- Temoridae Giesbrecht, 1893
- Tharybidae Sars, 1902
- Tortanidae Sars, 1902
- Podoplea Giesbrecht, 1882
- Misophrioida Gurney, 1933
- Misophriidae Brady, 1878
- Palpophriidae Boxshall & Jaume, 2000
- Speleophriidae Boxshall & Jaume, 2000
- Cyclopoida Burmeister, 1834
- Archinotodelphyidae Lang, 1949
- Ascidicolidae Thorell, 1860
- Buproridae Thorell, 1859
- Chordeumiidae Boxshall, 1988
- Cucumaricolidae Bouligand & Delamare-Deboutteville, 1959
- Cyclopidae Dana, 1846
- Cyclopinidae Sars, 1913
- Fratiidae Ho, Conradi & Lo´ pez-Gonza´ lez, 1998
- Lernaeidae Cobbold, 1879
- Mantridae Leigh-Sharpe, 1934
- Notodelphyidae Dana, 1852
- Oithonidae Dana, 1852
- Ozmanidae Ho & Thatcher, 1989
- Speleoithonidae da Rocha & Iliffe, 1991
- Thaumatopsyllidae Sars, 1913
- Gelyelloida Huys, 1988
- Gelyellidae Rouch & Lescher-Moutoue´, 1977
- Mormonilloida Boxshall, 1979
- Mormonillidae Giesbrecht, 1893
- Harpacticoida Sars, 1903
- Adenopleurellidae Huys, 1990
- Aegisthidae Giesbrecht, 1893
- Ambunguipedidae Huys, 1990
- Ameiridae Monard, 1927
- Ancorabolidae Sars, 1909
- Argestidae Por, 1986
- Balaenophilidae Sars, 1910
- Cancrincolidae Fiers, 1990
- Canthocamptidae Sars, 1906
- Canuellidae Lang, 1944
- Cerviniidae Sars, 1903
- Chappuisiidae Chappuis, 1940
- Cletodidae Scott, 1905
- Cletopsyllidae Huys & Williams, 1989
- Clytemnestridae Scott, 1909
- Cristacoxidae Huys, 1990
- Cylindropsyllidae Sars, 1909
- Darcythompsoniidae Lang, 1936
- Diosaccidae Sars, 1906
- Ectinosomatidae Sars, 1903
- Euterpinidae Brian, 1921
- Hamondiidae Huys, 1990
- Harpacticidae Dana, 1846
- Huntemanniidae Por, 1986
- Laophontidae Scott, 1905
- Laophontopsidae Huys & Willems, 1989
- Latiremidae Bozˇic´, 1969
- Leptastacidae Lang, 1948
- Leptopontiidae Lang, 1948
- Longipediidae Sars, 1903
- Louriniidae Monard, 1927
- Metidae Sars, 1910
- Miraciidae Dana, 1846
- Neobradyidae Oloffson, 1917
- Normanellidae Lang, 1944
- Novocriniidae Huys & Iliffe, 1998
- Orthopsyllidae Huys, 1990
- Paramesochridae Lang, 1944
- Parastenheliidae Lang, 1936
- Parastenocarididae Chappuis, 1933
- Peltidiidae Sars, 1904
- Phyllognathopodidae Gurney, 1932
- Porcellidiidae Boeck, 1865
- Pseudotachidiidae Lang, 1936
- Rhizothricidae Por, 1986
- Rotundiclipeidae Huys, 1988
- Styracothoracidae Huys, 1993
- Superornatiremidae Huys, 1997
- Tachidiidae Boeck, 1865
- Tegastidae Sars, 1904
- Tetragonicipitidae Lang, 1944
- Thalestridae Sars, 1905
- Thompsonulidae Lang, 1944
- Tisbidae Stebbing, 1910
- Poecilostomatoida Thorell, 1859
- Anchimolgidae Humes & Boxshall, 1996
- Anomoclausiidae Gotto, 1964
- Antheacheridae Sars, 1870
- Anthessiidae Humes, 1986
- Bomolochidae Sumpf, 1871
- Catiniidae Bocquet & Stock, 1957
- Chitonophilidae Avdeev & Sirenko, 1991
- Chondracanthidae Milne Edwards, 1840
- Clausidiidae Embleton, 1901
- Clausiidae Giesbrecht, 1895
- Corallovexiidae Stock, 1975
- Corycaeidae Dana, 1852
- Echiurophilidae Delamare-Deboutteville & Nunes-Ruivo, 1955
- Entobiidae Ho, 1984
- Erebonasteridae Humes, 1987
- Ergasilidae von Nordmann, 1832
- Eunicicolidae Sars, 1918
- Gastrodelphyidae List, 1889
- Herpyllobiidae Hansen, 1892
- Intramolgidae Marchenkov & Boxshall, 1995
- Kelleriidae Humes & Boxshall, 1996
- Lamippidae Joliet, 1882
- Lernaeosoleidae Yamaguti, 1963
- Lichomolgidae Kossmann, 1877
- Lubbockiidae Huys & Böttger-Schnack, 1997
- Macrochironidae Humes & Boxshall, 1996
- Mesoglicolidae de Zulueta, 1911
- Micrallectidae Huys, 2001
- Myicolidae Yamaguti, 1936
- Mytilicolidae Bocquet & Stock, 1957
- Nereicolidae Claus, 1875
- Nucellicolidae Lamb, Boxshall, Mill & Grahame, 1996
- Octopicolidae Humes & Boxshall, 1996
- Oncaeidae Giesbrecht, 1893
- Paralubbockiidae Boxshall & Huys, 1989
- Pharodidae Illg, 1948
- Philichthyidae Vogt, 1877
- Philoblennidae Izawa, 1976
- Phyllodicolidae Delamare-Deboutteville & Laubier, 1961
- Polyankylidae Ho & Kim, 1997
- Pseudanthessiidae Humes & Stock, 1972
- Rhynchomolgidae Humes & Stock, 1972
- Sabelliphilidae Gurney, 1927
- Saccopsidae Lützen, 1964
- Sapphirinidae Thorell, 1860
- Serpulidicolidae Stock, 1979
- Shiinoidae Cressey, 1975
- Spiophanicolidae Ho, 1984
- Splanchnotrophidae Norman & Scott, 1906
- Synapticolidae Humes & Boxshall, 1996
- Synaptiphilidae Bocquet, 1953
- Taeniacanthidae Wilson, 1911
- Tegobomolochidae Avdeev, 1978
- Telsidae Ho, 1967
- Thamnomolgidae Humes & Boxshall, 1996
- Tuccidae Vervoort, 1962
- Urocopiidae Humes & Stock, 1972
- Vahiniidae Humes, 1967
- Ventriculinidae Leigh-Sharpe, 1934
- Xarifiidae Humes, 1960
- Xenocoelomatidae Bresciani & Lützen, 1966
- Siphonostomatoida Thorell, 1859
- Archidactylinidae Izawa, 1996
- Artotrogidae Brady, 1880
- Asterocheridae Giesbrecht, 1899
- Brychiopontiidae Humes, 1974
- Caligidae Burmeister, 1834
- Calverocheridae Stock, 1968
- Cancerillidae Giesbrecht, 1897
- Cecropidae Dana, 1849
- Codobidae Boxshall & Ohtsuka, 2001
- Coralliomyzontidae Humes & Stock, 1991
- Dichelesthiidae Milne Edwards, 1840
- Dichelinidae Boxshall & Ohtsuka, 2001
- Dinopontiidae Murnane, 1967
- Dirivultidae Humes & Dojiri, 1981
- Dissonidae Yamaguti, 1963
- Ecbathyriontidae Humes, 1987
- Entomolepididae Brady, 1899
- Eudactylinidae Wilson, 1922
- Euryphoridae Wilson, 1905
- Hatschekiidae Kabata, 1979
- Hyponeoidae Heegaard, 1962
- Kroyeriidae Kabata, 1979
- Lernaeopodidae Milne Edwards, 1840
- Lernanthropidae Kabata, 1979
- Megapontiidae Heptner, 1968
- Micropontiidae Gooding, 1957
- Nanaspididae Humes & Cressey, 1959
- Nicothoidae Dana, 1849
- Pandaridae Milne Edwards, 1840
- Pennellidae Burmeister, 1834
- Pontoeciellidae Giesbrecht, 1895
- Pseudocycnidae Wilson, 1922
- Rataniidae Giesbrecht, 1897
- Scottomyzontidae Ivanenko, Ferrari, & Smurov, 2001
- Sphyriidae Wilson, 1919
- Sponginticolidae Topsent, 1928
- Spongiocnizontidae Stock & Kleeton, 1964
- Stellicomitidae Humes & Cressey, 1958
- Tanypleuridae Kabata, 1969
- Trebiidae Wilson, 1905
- Monstrilloida Sars, 1901
- Monstrillidae Dana, 1849
- Ostracoda Latreille, 1802
- Myodocopa Sars, 1866
- Myodocopida Sars, 1866
- Myodocopina Sars, 1866
- Cypridinoidea Baird, 1850
- Cypridinidae Baird, 1850
- Cylindroleberidoidea Müller, 1906
- Cylindroleberididae Müller, 1906
- Sarsielloidea Brady & Norman, 1896
- Philomedidae Müller, 1906
- Rutidermatidae Brady & Norman, 1896
- Sarsiellidae Brady & Norman, 1896
- Halocyprida Dana, 1853
- Cladocopina Sars, 1865
- Polycopoidea Sars, 1865
- Polycopidae Sars, 1865
- Halocypridina Dana, 1853
- Halocypridoidea Dana, 1853
- Halocyprididae Dana, 1853
- Thaumatocypridoidea Müller, 1906
- Thaumatocyprididae Müller, 1906
- Podocopa Müller, 1894
- Platycopida Sars, 1866
- Cytherellidae Sars, 1866
- Punciidae Hornibrook, 1949
- Podocopida Sars, 1866
- Bairdiocopina Sars, 1865
- Bairdioidea Sars, 1865
- Bairdiidae Sars, 1865
- Bythocyprididae Maddocks, 1969
- Cytherocopina Baird, 1850
- Cytheroidea Baird, 1850
- Bythocytheridae Sars, 1866
- Cytheridae Baird, 1850
- Cytherideidae Sars, 1925
- Cytheromatidae Elofson, 1939
- Cytheruridae Müller, 1894
- Entocytheridae Hoff, 1942
- Eucytheridae Puri, 1954
- Hemicytheridae Puri, 1953
- Kliellidae Schäfer, 1945
- Krithidae Mandelstam, 1958
- Leptocytheridae Hanai, 1957
- Loxoconchidae Sars, 1925
- Microcytheridae Klie, 1938
- Neocytherideidae Puri, 1957
- Paradoxostomatidae Brady & Norman, 1889
- Pectocytheridae Hanai, 1957
- Protocytheridae Ljubimova, 1956
- Psammocytheridae Klie, 1938
- Schizocytheridae Howe, 1961
- Terrestricytheridae Schornikov, 1969
- Thaerocytheridae Hazel, 1967
- Trachyleberididae Sylvester-Bradley, 1948
- Xestoleberididae Sars, 1928
- Darwinulocopina Sohn, 1988
- Darwinuloidea Brady & Norman, 1889
- Darwinulidae Brady & Norman, 1889
- Cypridocopina Jones, 1901
- Cypridoidea Baird, 1845
- Candonidae Kaufmann, 1900
- Cyprididae Baird, 1845
- Ilyocyprididae Kaufmann, 1900
- Notodromadidae Kaufmann, 1900
- Macrocypridoidea Müller, 1912
- Macrocyprididae Müller, 1912
- Pontocypridoidea Müller, 1894
- Pontocyprididae Müller, 1894
- Sigilliocopina Martens, 1992
- Sigillioidea Mandelstam, 1960
- Sigilliidae Mandelstam, 1960
- Platycopida Sars, 1866
- Malacostraca Latreille, 1802
- Phyllocarida Packard, 1879
- Leptostraca Claus, 1880
- Nebaliidae Samouelle, 1819
- Nebaliopsidae Hessler, 1984
- Paranebaliidae Walker-Smith & Poore, 2001
- Leptostraca Claus, 1880
- Hoplocarida Calman, 1904
- Stomatopoda Latreille, 1817
- Unipeltata Latreille, 1825
- Bathysquilloidea Manning, 1967
- Bathysquillidae Manning, 1967
- Indosquillidae Manning, 1995
- Gonodactyloidea Giesbrecht, 1910
- Alainosquillidae Moosa, 1991
- Hemisquillidae Manning, 1980
- Gonodactylidae Giesbrecht, 1910
- Odontodactylidae Manning, 1980
- Protosquillidae Manning, 1980
- Pseudosquillidae Manning, 1977
- Takuidae Manning, 1995
- Erythrosquilloidea Manning & Bruce, 1984
- Erythrosquillidae Manning & Bruce, 1984
- Lysiosquilloidea Giesbrecht, 1910
- Coronididae Manning, 1980
- Lysiosquillidae Giesbrecht, 1910
- Nannosquillidae Manning, 1980
- Tetrasquillidae Manning & Camp, 1993
- Squilloidea Latreille, 1802
- Squillidae Latreille, 1802
- Eurysquilloidea Ahyong & Harling, 2000
- Eurysquillidae Manning, 1977
- Parasquilloidea Ahyong & Harling, 2000
- Parasquillidae Manning, 1995
- Eumalacostraca Grobben, 1892
- Syncarida Packard, 1885
- Bathynellacea Chappuis, 1915
- Bathynellidae Chappuis, 1915
- Parabathynellidae Noodt, 1965
- Anaspidacea Calman, 1904
- Anaspididae Thomson, 1893
- Koonungidae Sayce, 1908
- Psammaspididae Schminke, 1974
- Stygocarididae Noodt, 1963
- Peracarida Calman, 1904
- Spelaeogriphacea Gordon, 1957
- Spelaeogriphidae Gordon, 1957
- Thermosbaenacea Monod, 1927
- Halosbaenidae Monod & Cals, 1988
- Monodellidae Taramelli, 1954
- Thermosbaenidae Monod, 1927
- Tulumellidae Wagner, 1994
- Lophogastrida Sars, 1870
- Eucopiidae Sars, 1885
- Lophogastridae Sars, 1870
- Mysida Haworth, 1825
- Lepidomysidae Clarke, 1961
- Mysidae Haworth, 1825
- Petalophthalmidae Czerniavsky, 1882
- Stygiomysidae Caroli, 1937
- Mictacea Bowman, Garner, Hessler, Iliffe & Sanders, 1985
- Hirsutiidae Sanders, Hessler & Garner, 1985
- Mictocarididae Bowman & Iliffe, 1985
- Amphipoda Latreille, 1816
- Gammaridea Latreille, 1802
- Acanthogammaridae Garjajeff, 1901
- Acanthonotozomellidae Coleman & Barnard, 1991
- Allocrangonyctidae Holsinger, 1989
- Amathillopsidae Pirlot, 1934
- Ampeliscidae Costa, 1857
- Amphilochidae Boeck, 1871
- Ampithoidae Stebbing, 1899
- Anamixidae Stebbing, 1897
- Anisogammaridae Bousfield, 1977
- Aoridae Walker, 1908
- Argissidae Walker, 1904
- Aristiidae Lowry & Stoddart, 1997
- Artesiidae Holsinger, 1980
- Bateidae Stebbing, 1906
- Biancolinidae Barnard, 1972
- Bogidiellidae Hertzog, 1936
- Bolttsiidae Barnard & Karaman, 1987
- Calliopidae Sars, 1893
- Carangoliopsidae Bousfield, 1977
- Cardenioidae Barnard & Karaman, 1987
- Caspicolidae Birstein, 1945
- Ceinidae Barnard, 1972
- Cheidae Thurston, 1982
- Cheluridae Allman, 1847
- Clarenciidae Barnard & Karaman, 1987
- Colomastigidae Stebbing, 1899
- Condukiidae Barnard & Drummond, 1982
- Corophiidae Leach, 1814
- Crangonyctidae Bousfield, 1973
- Cressidae Stebbing, 1899
- Cyphocarididae Lowry & Stoddart, 1997
- Cyproideidae Barnard, 1974
- Dexaminidae Leach, 1814
- Didymocheliidae Bellan-Santini & Ledoyer, 1986
- Dikwidae Coleman & Barnard, 1991
- Dogielinotidae Gurjanova, 1953
- Dulichiidae Dana, 1849
- Endevouridae Lowry & Stoddart, 1997
- Eophliantidae Sheard, 1936
- Epimeriidae Boeck, 1871
- Eusiridae Stebbing, 1888
- Exoedicerotidae Barnard & Drummond, 1982
- Gammaracanthidae Bousfield, 1989
- Gammarellidae Bousfield, 1977
- Gammaridae Latreille, 1802
- Gammaroporeiidae Bousfield, 1979
- Hadziidae Karaman, 1943
- Haustoriidae Stebbing, 1906
- Hyalellidae Bulycheva, 1957
- Hyalidae Bulycheva, 1957
- Hyperiopsidae Bovallius, 1886
- Iciliidae Dana, 1849
- Ipanemidae Barnard & Thomas, 1988
- Iphimediidae Boeck, 1871
- Isaeidae Dana, 1853
- Ischyroceridae Stebbing, 1899
- Kuriidae Walker & Scott, 1903
- Laphystiidae Sars, 1893
- Laphystiopsidae Stebbing, 1899
- Lepechinellidae Schellenberg, 1926
- Leucothoidae Dana, 1852
- Liljeborgiidae Stebbing, 1899
- Lysianassidae Dana, 1849
- Macrohectopidae Sowinsky, 1915
- Maxillipiidae Ledoyer, 1973
- Megaluropidae Thomas & Barnard, 1986
- Melitidae Bousfield, 1973
- Melphidippidae Stebbing, 1899
- Mesogammaridae Bousfield, 1977
- Metacrangonyctidae Boutin & Missouli, 1988
- Micruropidae Kamaltynov, 1999
- Najnidae Barnard, 1972
- Neomegamphopidae Myers, 1981
- Neoniphargidae Bousfield, 1977
- Nihotungidae Barnard, 1972
- Niphargidae Bousfield, 1977
- Ochlesidae Stebbing, 1910
- Odiidae Coleman & Barnard, 1991
- Oedicerotidae Lilljeborg, 1865
- Opisidae Lowry & Stoddart, 1995
- Pachyschesidae Kamaltynov, 1999
- Pagetinidae Barnard, 1931
- Paracalliopidae Barnard & Karaman, 1982
- Paracrangonyctidae Bousfield, 1982
- Paraleptamphopidae Bousfield, 1983
- Paramelitidae Bousfield, 1977
- Pardaliscidae Boeck, 1871
- Perthiidae Williams & Barnard, 1988
- Phliantidae Stebbing, 1899
- Phoxocephalidae Sars, 1891
- Phoxocephalopsidae Barnard & Drummond, 1982
- Phreatogammaridae Bousfield, 1982
- Platyischnopidae Barnard & Drummond, 1979
- Pleustidae Buchholz, 1874
- Plioplateidae Barnard, 1978
- Podoceridae Leach, 1814
- Podoprionidae Lowry & Stoddart, 1996
- Pontogammaridae Bousfield, 1977
- Pontoporeiidae Dana, 1853
- Priscomilitaridae Hirayama, 1988
- Pseudamphilochidae Schellenberg, 1931
- Pseudocrangonyctidae Holsinger, 1989
- Salentinellidae Bousfield, 1977
- Scopelocheiridae Lowry & Stoddart, 1997
- Sebidae Walker, 1908
- Sinurothoidae Ren, 1999
- Stegocephalidae Dana, 1853
- Stenothoidae Boeck, 1871
- Sternophysingidae Holsinger, 1992
- Stilipedidae Holmes, 1908
- Synopiidae Dana, 1853
- Talitridae Rafinesque, 1815
- Temnophliantidae Griffiths, 1975
- Trischizostomatidae Lilljeborg, 1865
- Tulearidae Ledoyer, 1979
- Typhlogammaridae Bousfield, 1977
- Uristidae Hurley, 1963
- Urohaustoriidae Barnard & Drummond, 1982
- Urothoidae Bousfield, 1978
- Valettidae Stebbing, 1888
- Vicmusiidae Just, 1990
- Vitjazianidae Birstein & Vinogradov, 1955
- Wandinidae Lowry & Stoddart, 1990
- Zobrachoidae Barnard & Drummond, 1982
- Caprellidea Leach, 1814
- Caprellida Leach, 1814
- Caprelloidea Leach, 1814
- Caprellidae Leach, 1814
- Caprellinoididae Laubitz, 1993
- Caprogammaridae Kudrjaschov & Vassilenko, 1966
- Paracercopidae Vassilenko, 1968
- Pariambidae Laubitz, 1993
- Protellidae McCain, 1970
- Phtisicoidea Vassilenko, 1968
- Phtisicidae Vassilenko, 1968
- Cyamida Rafinesque, 1815
- Cyamidae Rafinesque, 1815
- Hyperiidea Milne Edwards, 1830
- Physosomata Pirlot, 1929
- Scinoidea Stebbing, 1888
- Archaeoscinidae Stebbing, 1904
- Mimonectidae Bovallius, 1885
- Proscinidae Pirlot, 1933
- Scinidae Stebbing, 1888
- Lanceoloidea Bovallius, 1887
- Chuneolidae Woltereck, 1909
- Lanceolidae Bovallius, 1887
- Microphasmatidae Stephensen & Pirlot, 1931
- Physocephalata Bowman & Gruner, 1973
- Vibilioidea Dana, 1853
- Cystisomatidae Willemoes-Suhm, 1875
- Paraphronimidae Bovallius, 1887
- Vibiliidae Dana, 1853
- Phronimoidea Rafinesque, 1815
- Dairellidae Bovallius, 1887
- Hyperiidae Dana, 1853
- Phronimidae Rafinesque, 1815
- Phrosinidae Dana, 1853
- Lycaeopsoidea Chevreux, 1913
- Lycaeopsidae Chevreux, 1913
- Platysceloidea Bate, 1862
- Anapronoidae Bowman & Gruner, 1973
- Lycaeidae Claus, 1879
- Oxycephalidae Dana, 1853
- Parascelidae Bate, 1862
- Platyscelidae Bate, 1862
- Pronoidae Dana, 1853
- Ingolfiellidea Hansen, 1903
- Ingolfiellidae Hansen, 1903
- Metaingolfiellidae Ruffo, 1969
- Isopoda Latreille, 1817
- Phreatoicidea Stebbing, 1893
- Amphisopodidae Nicholls, 1943
- Nichollsiidae Tiwari, 1955
- Phreatoicidae Chilton, 1891
- Anthuridea Monod, 1922
- Antheluridae Poore & Lew Ton, 1988
- Anthuridae Leach, 1814
- Expanathuridae Poore, 2001
- Hyssuridae Wägele, 1981
- Leptanthuridae Poore, 2001
- Paranthuridae Menzies & Glynn, 1968
- Microcerberidea Lang, 1961
- Atlantasellidae Sket, 1980
- Microcerberidae Karaman, 1933
- Flabellifera Sars, 1882
- Aegidae White, 1850
- Ancinidae Dana, 1852
- Anuropidae Stebbing, 1893
- Bathynataliidae Kensley, 1978
- Cirolanidae Dana, 1852
- Corallanidae Hansen, 1890
- Cymothoidae Leach, 1814
- Gnathiidae Leach, 1814
- Hadromastacidae Bruce & Müller, 1991
- Keuphyliidae Bruce, 1980
- Limnoriidae White, 1850
- Phoratopodidae Hale, 1925
- Plakarthriidae Hansen, 1905
- Protognathiidae Wägele & Brandt, 1988
- Serolidae Dana, 1852
- Sphaeromatidae Latreille, 1825
- Tecticepitidae Iverson, 1982
- Tridentellidae Bruce, 1984
- Asellota Latreille, 1802
- Aselloidea Latreille, 1802
- Asellidae Latreille, 1802
- Stenasellidae Dudich, 1924
- Stenetrioidea Hansen, 1905
- Pseudojaniridae Wilson, 1986
- Stenetriidae Hansen, 1905
- Janiroidea Sars, 1897
- Acanthaspidiidae Menzies, 1962
- Dendrotiidae Vanhöffen, 1914
- Desmosomatidae Sars, 1899
- Echinothambematidae Menzies, 1956
- Haplomunnidae Wilson, 1976
- Haploniscidae Hansen, 1916
- Ischnomesidae Hansen, 1916
- Janirellidae Menzies, 1956
- Janiridae Sars, 1897
- Joeropsididae Nordenstam, 1933
- Katianiridae Svavarsson, 1987
- Macrostylidae Hansen, 1916
- Mesosignidae Schultz, 1969
- Microparasellidae Karaman, 1933
- Mictosomatidae Wolff, 1965
- Munnidae Sars, 1897
- Munnopsididae Sars, 1869
- Nannoniscidae Hansen, 1916
- Paramunnidae Vanhöffen, 1914
- Pleurocopidae Fresi & Schiecke, 1972
- Santiidae Wilson, 1987
- Thambematidae Stebbing, 1913
- Gnathostenetroidoidea Kussakin, 1967
- Gnathostenetroididae Kussakin, 1967
- Protojaniridae Fresi, Idato & Scipione, 1980
- Vermectiadidae Just & Poore, 1992
- Calabozoida Van Lieshout, 1983
- Calabozoidae Van Lieshout, 1983
- Valvifera Sars, 1882
- Antarcturidae Poore, 2001
- Arcturidae Dana, 1849
- Arcturididae Poore, 2001
- Austrarcturellidae Poore & Bardsley, 1992
- Chaetiliidae Dana, 1849
- Holidoteidae Wägele, 1989
- Holognathidae Thomson, 1904
- Idoteidae Samouelle, 1819
- Pseudidotheidae Ohlin, 1901
- Rectarcturidae Poore, 2001
- Xenarcturidae Sheppard, 1957
- Epicaridea Latreille, 1831
- Bopyroidea Rafinesque, 1815
- Bopyridae Rafinesque, 1815
- Dajidae Giard & Bonnier, 1887
- Entoniscidae Kossmann, 1881
- Cryptoniscoidea Kossmann, 1880
- Asconiscidae Bonnier, 1900
- Cabiropidae Giard & Bonnier, 1887
- Crinoniscidae Bonnier, 1900
- Cryptoniscidae Kossmann, 1880
- Cyproniscidae Bonnier, 1900
- Fabidae Danforth, 1963
- Hemioniscidae Bonnier, 1900
- Podasconidae Bonnier, 1900
- Oniscidea Latreille, 1802
- Dubioniscidae Schultz, 1995
- Helelidae Ferrara, 1977
- Irmaosidae Ferrara & Taiti, 1983
- Pseudarmadillidae Vandel, 1973
- Scleropactidae Verhoeff, 1938
- Tylomorpha Vandel, 1943
- Tylidae Dana, 1852
- Ligiamorpha Vandel, 1943
- Diplocheta Vandel, 1957
- Ligiidae Leach, 1814
- Mesoniscidae Verhoeff, 1908
- Synocheta Legrand, 1946
- Trichoniscoidea Sars, 1899
- Buddelundiellidae Verhoeff, 1930
- Trichoniscidae Sars, 1899
- Styloniscoidea Vandel, 1952
- Schoebliidae Verhoeff, 1938
- Styloniscidae Vandel, 1952
- Titaniidae Verhoeff, 1938
- Tunanoniscidae Borutskii, 1969
- Crinocheta Legrand, 1946
- Oniscoidea Latreille, 1802
- Bathytropidae Vandel, 1952
- Berytoniscidae Vandel, 1973
- Detonidae Budde-Lund, 1906
- Halophilosciidae Verhoeff, 1908
- Olibrinidae Vandel, 1973
- Oniscidae Latreille, 1802
- Philosciidae Kinahan, 1857
- Platyarthridae Vandel, 1946
- Pudeoniscidae Lemos de Castro, 1973
- Rhyscotidae Budde-Lund, 1908
- Scyphacidae Dana, 1852
- Speleoniscidae Vandel, 1948
- Sphaeroniscidae Vandel, 1964
- Stenoniscidae Budde-Lund, 1904
- Tendosphaeridae Verhoeff, 1930
- Armadilloidea Brandt, 1831
- Actaeciidae Vandel, 1952
- Armadillidae Brandt, 1831
- Armadillidiidae Brandt, 1833
- Atlantidiidae Arcangeli, 1954
- Balloniscidae Vandel, 1963
- Cylisticidae Verhoeff, 1949
- Eubelidae Budde-Lund, 1904
- Periscyphicidae Ferrara, 1973
- Porcellionidae Brandt, 1831
- Trachelipodidae Strouhal, 1953
- Diplocheta Vandel, 1957
- Tanaidacea Dana, 1849
- Tanaidomorpha Sieg, 1980
- Tanaoidea Dana, 1849
- Tanaidae Dana, 1849
- Paratanaoidea Lang, 1949
- Anarthruridae Lang, 1971
- Leptochelidae Lang, 1973
- Nototanaidae Sieg, 1976
- Paratanaidae Lang, 1949
- Pseudotanaidae Sieg, 1976
- Pseudozeuxidae Sieg, 1982
- Typhlotanaidae Sieg, 1986
- Neotanaidomorpha Sieg, 1980
- Neotanaidae Lang, 1956
- Apseudomorpha Sieg, 1980
- Apseudoidea Leach, 1814
- Anuropodidae Ba˘ cescu, 1980
- Apseudellidae Gutu, 1972
- Apseudidae Leach, 1814
- Gigantapseudidae Kudinova-Pasternak, 1978
- Kalliapseudidae Lang, 1956
- Metapseudidae Lang, 1970
- Pagurapseudidae Lang, 1970
- Parapseudidae Gutu, 1981
- Sphyrapidae Gutu, 1980
- Tanapseudidae Ba˘ cescu, 1978
- Tanzanapseudidae Ba˘ cescu, 1975
- Whiteleggiidae Gutu, 1972
- Cumacea Krøyer, 1846
- Bodotriidae Scott, 1901
- Ceratocumatidae Calman, 1905
- Diastylidae Bate, 1856
- Gynodiastylidae Stebbing, 1912
- Lampropidae Sars, 1878
- Leuconidae Sars, 1878
- Nannastacidae Bate, 1866
- Pseudocumatidae Sars, 1878
- Eucarida Calman, 1904
- Euphausiacea Dana, 1852
- Bentheuphausiidae Colosi, 1917
- Euphausiidae Dana, 1852
- Amphionidacea Williamson, 1973
- Amphionididae Holthuis, 1955
- Decapoda Latreille, 1802
- Dendrobranchiata Bate, 1888
- Penaeoidea Rafinesque, 1815
- Aristeidae Wood-Mason & Alcock, 1891
- Benthesicymidae Wood-Mason & Alcock, 1891
- Penaeidae Rafinesque, 1815
- Sicyoniidae Ortmann, 1898
- Solenoceridae Wood-Mason & Alcock, 1891
- Sergestoidea Dana, 1852a
- Luciferidae De Haan, 1849
- Sergestidae Dana, 1852a
- Pleocyemata Burkenroad, 1963
- Stenopodidea Bate, 1888
- Macromaxillocarididae Alvarez, Iliffe & Villalobos, 2006
- Spongicolidae Schram, 1986
- Stenopodidae Claus, 1872
- Caridea Dana, 1852c
- Procaridoidea Chace & Manning, 1972
- Procarididae Chace & Manning, 1972
- Galatheacaridoidea Vereshchaka, 1997a
- Galatheacarididae Vereshchaka, 1997a
- Pasiphaeoidea Dana, 1852a
- Pasiphaeidae Dana, 1852a
- Oplophoroidea Dana, 1852a
- Oplophoridae Dana, 1852a
- Atyoidea De Haan, 1849
- Atyidae De Haan, 1849
- Bresilioidea Calman, 1896
- Agostocarididae Hart & Manning, 1986
- Alvinocarididae Christoffersen, 1986
- Bresiliidae Calman, 1896
- Disciadidae Rathbun, 1902
- Pseudochelidae De Grave & Moosa, 2004
- Nematocarcinoidea Smith, 1884
- Eugonatonotidae Chace, 1937a
- Nematocarcinidae Smith, 1884
- Rhynchocinetidae Ortmann, 1890
- Xiphocarididae Ortmann, 1895
- Psalidopodoidea Wood-Mason,
- Psalidopodidae Wood-Mason, 1892
- Stylodactyloidea Bate, 1888
- Stylodactylidae Bate, 1888
- Campylonotoidea Sollaud, 1913
- Bathypalaemonellidae de Saint Laurent, 1985
- Campylonotidae Sollaud, 1913
- Palaemonoidea Rafinesque, 1815
- Anchistioididae Borradaile, 1915
- Desmocarididae Borradaile, 1915
- Euryrhynchidae Holthuis, 1950
- Gnathophyllidae Dana, 1852a
- Hymenoceridae Ortmann, 1890
- Kakaducarididae Bruce, 1993
- Palaemonidae Rafinesque, 1815
- Typhlocarididae Annandale & Kemp, 1913
- Alpheoidea Rafinesque, 1815
- Alpheidae Rafinesque, 1815
- Barbouriidae Christoffersen, 1987
- Hippolytidae Bate, 1888
- Ogyrididae Holthuis, 1955
- Processoidea Ortmann, 1896
- Processidae Ortmann, 1896
- Pandaloidea Haworth, 1825
- Pandalidae Haworth, 1825
- Thalassocarididae Bate, 1888
- Physetocaridoidea Chace, 1940a
- Physetocarididae Chace, 1940a
- Crangonoidea Haworth, 1825
- Crangonidae Haworth, 1825
- Glyphocrangonidae Smith, 1884
- Astacidea Latreille, 1802
- Enoplometopoidea de Saint Laurent, 1988
- Enoplometopidae de Saint Laurent, 1988
- Nephropoidea Dana, 1852a
- Nephropidae Dana, 1852a
- Astacoidea Latreille, 1802
- Astacidae Latreille, 1802
- Cambaridae Hobbs, 1942
- Parastacoidea Huxley, 1879
- Parastacidae Huxley, 1879
- Glypheidea Winckler, 1882
- Glypheoidea Winckler, 1882
- Glypheidae Winckler, 1882
- Axiidea de Saint Laurent, 1979b
- Axiidae Huxley, 1879
- Callianassidae Dana, 1852a
- Callianideidae Kossmann, 1880
- Calocarididae Ortmann, 1891
- Ctenochelidae Manning & Felder, 1991
- Eiconaxiidae K. Sakai & Ohta, 2005
- Micheleidae K. Sakai, 1992b
- Strahlaxiidae Poore, 1994
- Thomassiniidae de Saint Laurent, 1979a
- Gebiidea de Saint Laurent, 1979b
- Axianassidae Schmitt, 1924
- Laomediidae Borradaile, 1903b
- Thalassinidae Latreille, 1831
- Upogebiidae Borradaile, 1903b
- Achelata Scholtz & Richter, 1995
- Palinuridae Latreille, 1802
- Scyllaridae Latreille, 1825a
- Polychelida Scholtz & Richter, 1995
- Polychelidae Wood-Mason, 1875
- Anomura MacLeay, 1838
- Aegloidea Dana, 1852c
- Aeglidae Dana, 1852c
- Galatheoidea Samouelle, 1819
- Chirostylidae Ortmann, 1892a
- Galatheidae Samouelle, 1819
- Porcellanidae Haworth, 1825
- Hippoidea Latreille, 1825a
- Albuneidae Stimpson, 1858d
- Blepharipodidae Boyko, 2002
- Hippidae Latreille, 1825a
- Kiwaoidea Macpherson, Jones & Segonzac, 2005
- Kiwaidae Macpherson, Jones & Segonzac, 2005
- Lithodoidea Samouelle, 1819
- Hapalogastridae Brandt, 1850
- Lithodidae Samouelle, 1819
- Lomisoidea Bouvier, 1895
- Lomisidae Bouvier, 1895
- Paguroidea Latreille, 1802
- Coenobitidae Dana, 1851a
- Diogenidae Ortmann, 1892a
- Paguridae Latreille, 1802
- Parapaguridae Smith, 1882
- Pylochelidae Bate, 1888
- Pylojacquesidae McLaughlin & Lemaitre, 2001a
- Brachyura Linnaeus, 1758
- Dromiacea De Haan, 1833 [in De Haan, 1833-1850]
- Dromioidea De Haan, 1833
- Dromiidae De Haan, 1833
- Dynomenidae Ortmann, 1892b
- Homolodromioidea Alcock, 1900a
- Homolodromiidae Alcock, 1900a
- Homoloidea De Haan, 1839
- Homolidae De Haan, 1839
- Latreilliidae Stimpson, 1858d
- Poupiniidae Guinot, 1991
- Raninoida De Haan, 1839 [in De Haan, 1833-1850]
- Raninidae De Haan, 1839
- Cyclodorippoida Ortmann, 1892b
- Cyclodorippidae Ortmann, 1892b
- Cymonomidae Bouvier, 1897b
- Phyllotymolinidae Tavares, 1998
- Eubrachyura de Saint Laurent, 1980
- Heterotremata Guinot, 1977
- Aethroidea Dana, 1851e
- Aethridae Dana, 1851e
- Bellioidea Dana, 1852c
- Belliidae Dana, 1852c
- Bythograeoidea Williams, 1980
- Bythograeidae Williams, 1980
- Calappoidea De Haan, 1833
- Calappidae De Haan, 1833
- Matutidae De Haan, 1835
- Cancroidea Latreille, 1802
- Atelecyclidae Ortmann, 1893b
- Cancridae Latreille, 1802
- Carpilioidea Ortmann, 1893b
- Carpiliidae Ortmann, 1893b
- Cheiragonoidea Ortmann, 1893b
- Cheiragonidae Ortmann, 1893b
- Corystoidea Samouelle, 1819
- Corystidae Samouelle, 1819
- Dairoidea Serène, 1965
- Dacryopilumnidae Serène, 1984
- Dairidae Serène, 1965
- Dorippoidea MacLeay, 1838
- Dorippidae MacLeay, 1838
- Ethusidae Guinot, 1977
- Eriphioidea MacLeay, 1838
- Dairoididae Števcic, 2005
- Eriphiidae MacLeay, 1838
- Hypothalassiidae Karasawa & Schweitzer, 2006
- Menippidae Ortmann, 1893b
- Oziidae Dana, 1851e
- Platyxanthidae Guinot, 1977
- Gecarcinucoidea Rathbun, 1904a
- Gecarcinucidae Rathbun, 1904a
- Goneplacoidea MacLeay, 1838
- Acidopsidae Števcic, 2005
- Chasmocarcinidae Serène, 1964b
- Conleyidae Števcic, 2005
- Euryplacidae Stimpson, 1871b
- Goneplacidae MacLeay, 1838
- Litocheiridae Števcic, 2005
- Mathildellidae Karasawa & Kato, 2003
- Progeryonidae Števcic, 2005
- Scalopidiidae Števcic, 2005
- Vultocinidae Ng & Manuel-Santos, 2007
- Hexapodoidea Miers, 1886
- Hexapodidae Miers, 1886
- Leucosioidea Samouelle, 1819
- Iphiculidae Alcock, 1896
- Leucosiidae Samouelle, 1819
- Majoidea Samouelle, 1819
- Epialtidae MacLeay, 1838
- Hymenosomatidae MacLeay, 1838
- Inachidae MacLeay, 1838
- Inachoididae Dana, 1851g
- Majidae Samouelle, 1819
- Oregoniidae Garth, 1958
- Orithyioidea Dana, 1852c
- Orithyiidae Dana, 1853
- Palicoidea Bouvier, 1898
- Crossotonotidae Moosa & Serène, 1981
- Palicidae Bouvier, 1898
- Parthenopoidea MacLeay,
- Parthenopidae MacLeay, 1838
- Pilumnoidea Samouelle, 1819
- Galenidae Alcock, 1898
- Pilumnidae Samouelle, 1819
- Tanaocheleidae Ng & P. F. Clark, 2000
- Portunoidea Rafinesque, 1815
- Carcinidae MacLeay, 1838
- Catoptridae Borradaile, 1902a
- Geryonidae Colosi, 1923
- Macropipidae Stephenson & Campbell, 1960
- Pirimelidae Alcock, 1899b
- Portunidae Rafinesque, 1815
- Thiidae Dana, 1852c
- Potamoidea Ortmann, 1896
- Potamidae Ortmann, 1896
- Potamonautidae Bott, 1970a
- Pseudothelphusoidea Ortmann, 1893b
- Pseudothelphusidae Ortmann, 1893b
- Pseudozioidea Alcock, 1898
- Pilumnoididae Guinot & Macpherson, 1987
- Planopilumnidae Serène, 1984
- Pseudoziidae Alcock, 1898
- Retroplumoidea Gill, 1894
- Retroplumidae Gill, 1894
- Trapezioidea Miers, 1886
- Domeciidae Ortmann, 1893b
- Tetraliidae Castro, Ng & Ahyong, 2004
- Trapeziidae Miers, 1886
- Trichodactyloidea H. Milne Edwards, 1853
- Trichodactylidae H. Milne Edwards, 1853
- Xanthoidea MacLeay, 1838
- Panopeidae Ortmann, 1893b
- Pseudorhombilidae Alcock, 1900b
- Xanthidae MacLeay, 1838
- Thoracotremata Guinot, 1977
- Cryptochiroidea Paul'son, 1875
- Cryptochiridae Paul'son, 1875
- Grapsoidea MacLeay, 1838
- Gecarcinidae MacLeay, 1838
- Glyptograpsidae Schubart, Cuesta & Felder, 2002
- Grapsidae MacLeay, 1838
- Plagusiidae Dana, 1851b
- Sesarmidae Dana, 1851b
- Varunidae H. Milne Edwards, 1853
- Xenograpsidae N. K. Ng, Davie, Schubart & Ng, 2007
- Ocypodoidea Rafinesque, 1815
- Camptandriidae Stimpson, 1858b
- Dotillidae Stimpson, 1858b
- Heloeciidae H. Milne Edwards, 1852
- Macrophthalmidae Dana, 1851b
- Mictyridae Dana, 1851b
- Ocypodidae Rafinesque, 1815
- Ucididae Števcic, 2005
- Xenophthalmidae Stimpson, 1858b
- Pinnotheroidea De Haan, 1833
- Pinnotheridae De Haan, 1833
- Dromiacea De Haan, 1833 [in De Haan, 1833-1850]