| |
| Kingdom Animalia |
| |
Abyssianiridae Menzies, 1956 -- invalid |
| |
Acanthaspidiidae Menzies, 1962 -- valid |
| |
Acanthogammaridae Garjajev, 1901 -- valid |
| |
Acanthonotozomellidae Coleman & Barnard, 1991 -- valid |
| |
Acartiidae Sars, 1900 -- valid |
| |
Acrothoracica Gruvel, 1905 -- valid -- burrowing barnacles |
| |
Actaeciidae Vandel, 1952 -- valid |
| |
Adenopleurellidae Huys, 1990 -- valid |
| |
Aegidae White, 1850 -- valid |
| |
Aeginellidae -- invalid |
| |
Aegisthidae Giesbrecht, 1893 -- valid |
| |
Aeglidae Dana, 1852 -- valid |
| |
Aethridae Dana, 1851 -- valid |
| |
Aetideidae Giesbrecht, 1893 -- valid |
| |
Agostocarididae C. W. J. Hart & Manning, 1986 -- valid |
| |
Akentrogonida Häfele, 1911 -- valid |
| |
Alainosquillidae Moosa, 1991 -- valid |
| |
Albuneidae Stimpson, 1858 -- valid -- sand crabs, mole crabs |
| |
Allocrangonyctidae Holsinger, 1989 -- valid |
| |
Alpheidae Rafinesque, 1815 -- valid -- snapping shrimps |
| |
Alpheoidea Rafinesque, 1815 -- valid |
| |
Alvinocarididae Christoffersen, 1986 -- valid |
| |
Amathillopsidae Pirlot, 1934 -- valid |
| |
Ambunguipedidae Huys, 1990 -- valid |
| |
Ameiridae Monard, 1927 -- valid |
| |
Amesopodidae Stebbing, 1905 -- invalid |
| |
Amesopous Stebbing, 1905 -- valid |
| |
Ampeliscidae Costa, 1857 -- valid |
| |
Amphilochidae Boeck, 1871 -- valid |
| |
Amphionidacea Williamson, 1973 -- invalid |
| |
Amphionididae Holthuis, 1955 -- invalid |
| |
Amphipoda Latreille, 1816 -- valid -- amphipods, amphipodes |
| |
Amphisopodidae Nicholls, 1943 -- valid |
| |
Ampithoidae Stebbing, 1899 -- valid |
| |
Anamixidae Stebbing, 1897 -- invalid |
| |
Anapronoidae Bowman & Gruner, 1973 -- valid |
| |
Anarthruridae Lang, 1971 -- valid |
| |
Anaspidacea Calman, 1904 -- valid |
| |
Anaspididae Thomson, 1893 -- valid |
| |
Anchimolgidae Humes & Boxshall, 1996 -- valid |
| |
Anchistioididae Borradaile, 1915 -- invalid |
| |
Ancinidae Dana, 1852 -- valid |
| |
Ancorabolidae Sars, 1909 -- valid |
| |
Anelasmatidae Gruvel, 1905 -- valid |
| |
Anisogammaridae Bousfield, 1977 -- valid |
| |
Anomoclausiidae Gotto, 1964 -- valid |
| |
Anomopoda -- invalid |
| |
Anomura MacLeay, 1838 -- valid |
| |
Anostraca G. O. Sars, 1867 -- valid -- brine shrimp, fairy shrimp |
| |
Antarcturidae Poore, 2001 -- valid |
| |
Antheacheridae Sars, 1870 -- valid |
| |
Antheluridae Poore & Lew Ton, 1988 -- valid |
| |
Anthessiidae Humes, 1986 -- valid |
| |
Anthuridae Leach, 1814 -- valid |
| |
Anthuridea Monod, 1922 -- valid |
| |
Anuropidae Stebbing, 1893 -- valid |
| |
Anuropodidae Bacescu, 1980 -- invalid |
| |
Aoridae Walker, 1908 -- valid |
| |
Apseudellidae Gutu, 1972 -- valid |
| |
Apseudidae Leach, 1814 -- valid |
| |
Apseudoidea Leach, 1814 -- valid |
| |
Apseudomorpha Sieg, 1980 -- valid |
| |
Apygophora Berndt, 1907 -- valid |
| |
Archaeobalanidae Newman & Ross, 1976 -- valid |
| |
Archaeobrachyura Guinot, 1977 -- invalid |
| |
Archaeoscinidae Stebbing, 1904 -- valid |
| |
Archidactylinidae Izawa, 1996 -- valid |
| |
Archinotodelphyidae Lang, 1949 -- valid |
| |
Arcturidae Dana, 1849 -- valid |
| |
Arcturididae Poore, 2001 -- valid |
| |
Argestidae Por, 1986 -- valid |
| |
Argissidae Walker, 1904 -- valid |
| |
Argulidae Yamaguti, 1963 -- valid |
| |
Arguloida Yamaguti, 1963 -- valid |
| |
Arietellidae Sars, 1902 -- valid |
| |
Aristeidae Wood-Mason in Wood-Mason & Alcock, 1891 -- valid -- gamba prawns, gamba shrimps |
| |
Aristiidae Lowry & Stoddart, 1997 -- valid |
| |
Armadillidae Brandt, 1831 -- valid |
| |
Armadillidiidae Brandt, 1833 -- valid |
| |
Armadilloidea Brandt, 1831 -- valid |
| |
Armilliferidae Fain, 1961 -- valid |
| |
Artemiidae Grochowski, 1896 -- valid |
| |
Artemiopsis G. O. Sars, 1897 -- valid |
| |
Artesiidae Holsinger, 1980 -- valid |
| |
Artotrogidae Brady, 1880 -- valid |
| |
Ascidicolidae Thorell, 1860 -- valid |
| |
Asconiscidae Bonnier, 1900 -- valid |
| |
Ascothoracida Lacaze-Duthiers, 1880 -- valid |
| |
Ascothoracidae Grygier, 1987 -- valid |
| |
Asellidae Latreille, 1802 -- valid |
| |
Aselloidea Latreille, 1802 -- valid |
| |
Asellota Latreille, 1802 -- valid |
| |
Astacidae Latreille, 1802 -- valid -- crayfishes |
| |
Astacidea Latreille, 1802 -- valid |
| |
Astacoidea Latreille, 1802 -- valid -- crayfishes, Northern hemisphere crawfish |
| |
Asterocheridae Giesbrecht, 1899 -- valid |
| |
Atelecyclidae Ortmann, 1893 -- valid -- horse crabs |
| |
Atlantasellidae Sket, 1979 -- valid |
| |
Atlantidiidae Arcangeli, 1954 -- valid |
| |
Atyidae De Haan, 1849 -- valid |
| |
Atyoidea De Haan, 1849 -- valid |
| |
Augaptilidae Sars, 1905 -- valid |
| |
Austrarcturellidae Poore & Bardsley, 1992 -- valid |
| |
Axiidae Huxley, 1879 -- valid -- lobster shrimps |
| |
Axioidea Huxley, 1879 -- invalid |
| |
Bairdiidae Sars, 1887 -- valid |
| |
Bairdiocopina -- valid |
| |
Bairdioidea Sars, 1887 -- valid |
| |
Balaenophilidae Sars, 1910 -- valid |
| |
Balanidae Leach, 1817 -- valid |
| |
Balanoidea Leach, 1817 -- valid |
| |
Balanomorpha Pilsbry, 1916 -- valid -- acorn barnacles |
| |
Balloniscidae Vandel, 1963 -- valid |
| |
Barbouriidae Christoffersen, 1987 -- valid |
| |
Basipodellidae Boxshall & Lincoln, 1983 -- valid |
| |
Bateidae Stebbing, 1906 -- valid |
| |
Bathylasmatidae Newman & Ross, 1971 -- valid |
| |
Bathynataliidae Kensley, 1978 -- valid |
| |
Bathynellacea Chappuis, 1915 -- valid |
| |
Bathynellidae Chappuis, 1915 -- valid |
| |
Bathypalaemonellidae de Saint Laurent, 1985 -- valid |
| |
Bathypontiidae Brodsky, 1950 -- valid |
| |
Bathysquillidae Manning, 1967 -- valid -- bathysquillid mantis shrimps |
| |
Bathysquilloidea Manning, 1967 -- valid |
| |
Bathytropidae Vandel, 1952 -- valid |
| |
Belliidae Dana, 1852 -- valid |
| |
Bellioidea Dana, 1852 -- valid |
| |
Benthesicymidae Wood-Mason in Wood-Mason & Alcock, 1891 -- valid -- benthesicymid shrimps |
| |
Bentheuphausiidae Colosi, 1917 -- valid |
| |
Berytoniscidae Vandel, 1973 -- valid |
| |
Biancolinidae J. L. Barnard, 1972 -- valid |
| |
Bodotriidae Scott, 1901 -- valid |
| |
Bogidiellidae Hertzog, 1936 -- valid |
| |
Boholinidae Fosshagen & Iliffe, 1989 -- valid |
| |
Bolttsiidae Barnard & Karaman, 1987 -- valid |
| |
Bomolochidae Sumpf, 1871 -- valid |
| |
Bopyridae Rafinesque, 1815 -- valid |
| |
Bopyroidea Rafinesque, 1815 -- valid |
| |
Bosminidae Baird, 1845 -- valid |
| |
Brachylepadomorpha Withers, 1923 -- valid |
| |
Brachypoda Birshteyn, 1960 -- valid |
| |
Brachyura Latreille, 1802 -- valid -- short-tailed crabs, true crabs |
| |
Branchinectidae Daday, 1910 -- valid |
| |
Branchiopoda Latreille, 1817 -- valid -- branchiopods, branchiopodes |
| |
Branchipodidae -- valid |
| |
Branchiura Thorell, 1864 -- valid -- fish lice, argulids |
| |
Bresiliidae Calman, 1896 -- valid |
| |
Bresilioidea Calman, 1896 -- valid |
| |
Brychiopontiidae Humes, 1974 -- valid |
| |
Buddelundiellidae Verhoeff, 1930 -- valid |
| |
Buproridae Thorell, 1859 -- valid |
| |
Bythocyprididae Maddocks, 1969 -- valid |
| |
Bythocytheridae Sars, 1866 -- valid |
| |
Bythograeidae Williams, 1980 -- valid |
| |
Bythograeoidea Williams, 1980 -- valid |
| |
Cabiropidae Giard & Bonnier, 1887 -- valid |
| |
Calabozoida Van Lieshout, 1983 -- valid |
| |
Calabozoidae Van Lieshout, 1983 -- valid |
| |
Calabozoidea Van Lieshout, 1983 -- invalid |
| |
Calanidae Dana, 1846 -- valid |
| |
Calanoida G. O. Sars, 1903 -- valid |
| |
Calanticidae Zevina, 1978 -- valid |
| |
Calappidae Milne Edwards, 1837 -- valid -- box crabs |
| |
Calappoidea Milne Edwards, 1837 -- valid |
| |
Caligidae Burmeister, 1834 -- valid |
| |
Callianassidae Dana, 1852 -- valid -- ghost shrimps |
| |
Callianassoidea Dana, 1852 -- invalid |
| |
Callianideidae Kossmann, 1880 -- valid |
| |
Calliopidae Sars, 1893 -- invalid |
| |
Calliopiidae Sars, 1895 -- valid |
| |
Calocarididae Ortmann, 1891 -- invalid |
| |
Calverocheridae Stock, 1968 -- valid |
| |
Cambaridae Hobbs, 1942 -- valid -- crayfishes |
| |
Camptandriidae Stimpson, 1858 -- valid |
| |
Campylonotidae Sollaud, 1913 -- valid |
| |
Campylonotoidea Sollaud, 1913 -- valid |
| |
Cancerillidae Giesbrecht, 1897 -- valid |
| |
Cancridae Latreille, 1802 -- valid -- rock crabs |
| |
Cancrincolidae Fiers, 1990 -- valid |
| |
Cancroidea Latreille, 1802 -- valid |
| |
Candaciidae Giesbrecht, 1893 -- valid |
| |
Candonidae Kaufmann, 1900 -- valid |
| |
Canthocamptidae G. O. Sars, 1906 -- valid |
| |
Canuellidae Lang, 1944 -- valid |
| |
Caprellida -- invalid -- skeleton shrimps |
| |
Caprellidae Leach, 1814 -- valid -- skeleton shrimps |
| |
Caprellidea -- invalid -- skeleton shrimp, whale lice |
| |
Caprellinoididae Laubitz, 1993 -- valid |
| |
Caprelloidea Leach, 1814 -- valid |
| |
Caprogammaridae Kudrjaschov & Vassilenko, 1966 -- valid |
| |
Carangoliopsidae Bousfield, 1977 -- valid |
| |
Cardenioidae Barnard & Karaman, 1987 -- valid |
| |
Caridea Dana, 1852 -- valid |
| |
Carpiliidae Ortmann, 1893 -- valid -- coral crabs, queen crabs, reef crabs |
| |
Caspicolidae Birstein, 1945 -- valid |
| |
Catiniidae Bocquet & Stock, 1957 -- valid |
| |
Catophragmidae Utinomi, 1968 -- valid |
| |
Cecropidae Dana, 1849 -- valid |
| |
Ceinidae J. L. Barnard, 1972 -- valid |
| |
Centropagidae Giesbrecht, 1893 -- valid |
| |
Cephalobaenida Heymons, 1935 -- valid |
| |
Cephalobaenidae Fain, 1961 -- valid |
| |
Cephalocarida Sanders, 1955 -- valid -- artemia, cefalocarida, cladocera, kiko marinho, pulga da água |
| |
Ceratocumatidae Calman, 1905 -- valid |
| |
Cercopagididae Mordukhai-Boltovskoi, 1968 -- valid |
| |
Cerviniidae Sars, 1903 -- valid |
| |
Chaetiliidae Dana, 1849 -- valid |
| |
Chappuisiidae Chappuis, 1940 -- valid |
| |
Cheidae Thurston, 1982 -- valid |
| |
Cheiragonidae Ortmann, 1893 -- valid -- helmet crabs |
| |
Chelonibiidae Pilsbry, 1916 -- valid -- turtle barnacles |
| |
Cheluridae Allman, 1847 -- valid |
| |
Chionelasmatidae Buckeridge, 1983 -- valid |
| |
Chionelasmatoidea Buckeridge, 1983 -- valid |
| |
Chirocephalidae Daday, 1910 -- valid |
| |
Chirostylidae Ortmann, 1892 -- valid |
| |
Chitonophilidae Avdeev & Sirenko, 1991 -- valid |
| |
Chondracanthidae Milne Edwards, 1840 -- valid |
| |
Chordeumiidae Boxshall, 1988 -- valid |
| |
Chthamalidae Darwin, 1854 -- valid |
| |
Chthamaloidea Darwin, 1854 -- valid |
| |
Chthamalophilidae Bocquet-Védrine, 1961 -- valid |
| |
Chuneolidae Woltereck, 1909 -- valid |
| |
Chydoridae Stebbing, 1902 -- valid |
| |
Cirolanidae Dana, 1852 -- valid |
| |
Cirripedia Burmeister, 1834 -- valid -- barnacles, bernacles |
| |
Cladocera -- invalid -- water fleas, cladocères, puces d'eau |
| |
Cladocopina Sars, 1865 -- valid |
| |
Clarenciidae Barnard & Karaman, 1987 -- valid |
| |
Clausidiidae Embleton, 1901 -- valid |
| |
Clausiidae Giesbrecht, 1895 -- valid |
| |
Clausocalanidae Giesbrecht, 1893 -- valid |
| |
Cletodidae T. Scott, 1905 -- valid |
| |
Cletopsyllidae Huys & Williams, 1989 -- valid |
| |
Clistosaccidae Boschma, 1928 -- valid |
| |
Clytemnestridae Scott, 1909 -- valid |
| |
Codobidae Boxshall & Ohtsuka, 2001 -- valid |
| |
Coenobitidae Dana, 1851 -- valid -- land hermit crabs |
| |
Colomastigidae Stebbing, 1899 -- valid |
| |
Conchostraca -- invalid -- conchostracans |
| |
Condukiidae Barnard & Drummond, 1982 -- valid |
| |
Copepoda Milne-Edwards, 1840 -- valid -- copepods, copépodes |
| |
Corallanidae Hansen, 1890 -- valid |
| |
Coralliomyzontidae Humes & Stock, 1991 -- valid |
| |
Corallovexiidae Stock, 1975 -- valid |
| |
Coronididae Manning, 1980 -- valid -- coronidid mantis shrimps |
| |
Coronulidae Leach, 1817 -- valid -- whale barnacles |
| |
Coronuloidea Leach, 1817 -- valid |
| |
Corophiidae Leach, 1814 -- valid |
| |
Corycaeidae Dana, 1852 -- valid |
| |
Corystidae Samouelle, 1819 -- valid |
| |
Crangonidae Haworth, 1825 -- valid |
| |
Crangonoidea Haworth, 1825 -- valid |
| |
Crangonyctidae Bousfield, 1973 -- valid |
| |
Cressidae Stebbing, 1899 -- valid |
| |
Crinoniscidae Bonnier, 1900 -- invalid |
| |
Cristacoxidae Huys, 1990 -- valid |
| |
Crustacea Brünnich, 1772 -- valid -- crustacés, crustáceo, crustaceans |
| |
Cryptochiridae Paulson, 1875 -- valid -- gall crabs |
| |
Cryptochiroidea Paulson, 1875 -- valid |
| |
Cryptoniscidae Kossmann, 1880 -- valid |
| |
Cryptoniscoidea Kossmann, 1880 -- valid |
| |
Cryptophialidae Gerstaecker, 1866 -- valid |
| |
Ctenochelidae Manning & Felder, 1991 -- valid |
| |
Ctenopoda -- invalid |
| |
Ctenosculidae Thiele, 1925 -- valid |
| |
Cucumaricolidae Bouligand & Delamare-Deboutteville, 1959 -- valid |
| |
Cumacea Krøyer, 1846 -- valid -- cumaceans, cumacés |
| |
Cyamida -- invalid -- whale lice |
| |
Cyamidae Rafinesque, 1815 -- valid -- whale lice |
| |
Cyclestherida G. O. Sars, 1899 -- invalid -- tropical clam shrimp |
| |
Cyclestheriidae G. O. Sars, 1899 -- valid -- cyclestherians |
| |
Cyclodorippidae Ortmann, 1892 -- valid |
| |
Cyclodorippoidea Ortmann, 1892 -- valid |
| |
Cyclopidae Dana, 1846 -- valid |
| |
Cyclopinidae Sars, 1913 -- valid |
| |
Cyclopoida Burmeister, 1834 -- valid |
| |
Cylindroleberidoidea Müller, 1906 -- valid |
| |
Cylindropsyllidae Sars, 1909 -- valid |
| |
Cylisticidae Verhoeff, 1949 -- valid |
| |
Cymonomidae Bouvier, 1897 -- valid |
| |
Cymothoidae Leach, 1814 -- valid |
| |
Cyphocarididae Lowry & Stoddart, 1997 -- valid |
| |
Cyprididae Baird, 1845 -- valid |
| |
Cypridinidae Baird, 1850 -- valid |
| |
Cypridinoidea Baird, 1850 -- valid |
| |
Cypridocopina Jones, 1901 -- valid |
| |
Cypridoidea Baird, 1845 -- valid |
| |
Cypridopsidae Kaufmann, 1900 -- invalid |
| |
Cyproideidae J. L. Barnard, 1974 -- valid |
| |
Cyproniscidae Bonnier, 1900 -- valid |
| |
Cystisomatidae Willemöes-Suhm, 1875 -- valid |
| |
Cytherellidae Sars, 1866 -- valid |
| |
Cytheridae Baird, 1850 -- valid |
| |
Cytherideidae Sars, 1925 -- valid |
| |
Cytherocopina Baird, 1850 -- valid |
| |
Cytheroidea Baird, 1850 -- valid |
| |
Cytheromatidae Elofson, 1939 -- valid |
| |
Cytheruridae Müller, 1894 -- valid |
| |
Cyzicidae Stebbing, 1910 -- valid |
| |
Dairellidae Bovallius, 1887 -- valid |
| |
Dairidae Ng & Rodriguez, 1986 -- valid |
| |
Dajidae G. O. Sars, 1882 -- valid |
| |
Daldorfiidae Ng & Rodriguez, 1986 -- valid |
| |
Daphniidae Straus, 1820 -- valid |
| |
Darcythompsoniidae Lang, 1936 -- valid |
| |
Darwinulidae Brady & Norman, 1889 -- valid |
| |
Darwinulocopina Sohn, 1988 -- valid |
| |
Darwinuloidea Brady & Norman, 1889 -- valid |
| |
Decapoda Latreille, 1802 -- valid -- crabs, crayfishes, lobsters, prawns, shrimp, crabes, crevettes, écrevisses, homards |
| |
Deckeniidae Ortmann, 1897 -- valid |
| |
Dendrobranchiata Spence Bate, 1888 -- valid |
| |
Dendrogastrida Grygier, 1987 -- valid |
| |
Dendrogastridae Gruvel, 1905 -- valid |
| |
Dendrotiidae Vanhöffen, 1914 -- valid |
| |
Dendrotionidae -- invalid |
| |
Deoterthridae Boxshall & Lincoln, 1987 -- valid |
| |
Derocheilocarididae Pennak & Zinn, 1943 -- valid |
| |
Desmocarididae Borradaile, 1915 -- valid |
| |
Desmosomatidae Sars, 1899 -- valid |
| |
Detonidae Budde-Lund, 1906 -- valid |
| |
Dexaminidae Leach, 1814 -- valid |
| |
Diaixidae Sars, 1902 -- valid |
| |
Diaptomidae Baird, 1850 -- valid |
| |
Diastylidae Bate, 1856 -- valid |
| |
Dichelesthiidae Milne Edwards, 1840 -- valid |
| |
Dichelinidae Boxshall & Ohtsuka, 2001 -- valid |
| |
Didymocheliidae Bellan-Santini & Ledoyer, 1986 -- valid |
| |
Diesingidae Fain, 1961 -- valid |
| |
Dikwidae Coleman & Barnard, 1991 -- valid |
| |
Dinopontiidae Murnane, 1967 -- valid |
| |
Diogenidae Ortmann, 1892 -- valid -- left-handed hermit crabs, lefthanded hermit crabs |
| |
Diosaccidae G. O. Sars, 1906 -- valid |
| |
Diplostraca Gerstaecker, 1866 -- valid -- water fleas, clam shrimp |
| |
Dipteropeltidae Yamaguti, 1963 -- invalid |
| |
Dirivultidae Humes & Dojiri, 1981 -- valid |
| |
Disciadidae M. J. Rathbun, 1902 -- valid |
| |
Discoidae Gordejeva, 1975 -- valid |
| |
Dissonidae Yamaguti, 1963 -- valid |
| |
Dogielinotidae Gurjanova, 1953 -- valid |
| |
Dorippidae MacLeay, 1838 -- valid -- sumo crabs |
| |
Dorippoidea MacLeay, 1838 -- valid |
| |
Doryphallophoridae Huys, 1991 -- valid |
| |
Dromiacea De Haan, 1833 -- invalid |
| |
Dromiidae De Haan, 1833 -- valid -- sponge crabs |
| |
Dromioidea De Haan, 1833 -- valid |
| |
Dubioniscidae Schultz, 1995 -- valid |
| |
Dulichiidae Dana, 1849 -- valid |
| |
Duplorbidae Høeg & Rybakov, 1992 -- valid |
| |
Dynomenidae Ortmann, 1892 -- valid |
| |
Ecbathyriontidae Humes, 1987 -- valid |
| |
Echinothambematidae Menzies, 1956 -- valid |
| |
Echiurophilidae Delamare-Deboutteville & Nunes-Ruivo, 1955 -- valid |
| |
Ectinosomatidae Sars, 1903 -- valid |
| |
Endevouridae Lowry & Stoddart, 1997 -- valid |
| |
Enoplometopidae de Saint Laurent, 1988 -- valid |
| |
Enoplometopoidea de Saint Laurent, 1988 -- valid |
| |
Entobiidae Ho, 1984 -- valid |
| |
Entocytheridae Hoff, 1942 -- valid |
| |
Entomolepididae Brady, 1899 -- valid |
| |
Entoniscidae Kossmann, 1881 -- valid |
| |
Eophliantidae Sheard, 1936 -- valid |
| |
Epacteriscidae Fosshagen, 1973 -- valid |
| |
Epialtidae MacLeay, 1838 -- valid |
| |
Epicaridea Latreille, 1831 -- valid |
| |
Epimeriidae Boeck, 1871 -- valid |
| |
Erebonasteridae Humes, 1987 -- valid |
| |
Ergasilidae von Nordmann, 1832 -- valid |
| |
Eryonoidea De Haan, 1841 -- invalid |
| |
Erythrosquillidae Manning & Bruce, 1984 -- valid |
| |
Erythrosquilloidea Manning & Bruce, 1984 -- valid |
| |
Eubelidae Budde-Lund, 1904 -- valid |
| |
Eucalanidae Giesbrecht, 1893 -- valid |
| |
Eucarida Calman, 1904 -- valid -- camarão, caranguejo, ermitão, lagosta, siri |
| |
Euchaetidae Giesbrecht, 1893 -- valid |
| |
Eucladocera -- invalid |
| |
Eucopiidae G. O. Sars, 1885 -- valid |
| |
Eucytheridae Puri, 1954 -- valid |
| |
Eudactylinidae Wilson, 1922 -- valid |
| |
Eugonatonotidae Chace, 1937 -- valid |
| |
Eumalacostraca Grobben, 1892 -- valid |
| |
Eumedonidae Dana, 1853 -- valid |
| |
Eunicicolidae Sars, 1918 -- valid |
| |
Euphausiacea Dana, 1852 -- valid -- euphausiaceans, krill |
| |
Euphausiidae Dana, 1852 -- valid |
| |
Euryphoridae Wilson, 1905 -- valid |
| |
Euryrhynchidae Holthuis, 1950 -- valid |
| |
Eurysquillidae Manning, 1977 -- valid -- eurysquillid mantis shrimps |
| |
Eurysquilloidea Ahyong & Harling, 2000 -- valid |
| |
Eusiridae Stebbing, 1888 -- valid |
| |
Euterpinidae Brian, 1921 -- valid |
| |
Eutrichocheles Wood-Mason, 1876 -- valid |
| |
Exoedicerotidae Barnard & Drummond, 1982 -- valid |
| |
Expanathuridae Poore, 2001 -- valid |
| |
Fabidae Danforth, 1963 -- invalid |
| |
Facetotecta Grygier, 1985 -- valid |
| |
Flabellifera Sars, 1882 -- valid |
| |
Fosshageniidae Suárez-Moráles & Iliffe, 1996 -- valid |
| |
Fratiidae Ho, Conradi & López-González, 1998 -- valid |
| |
Galatheacarididae Vereshchaka, 1997 -- invalid |
| |
Galatheacaridoidea Vereshchaka, 1997 -- invalid |
| |
Galatheidae Samouelle, 1819 -- valid -- squat lobsters |
| |
Galatheoidea Samouelle, 1819 -- valid -- squat lobsters, porcelain crabs |
| |
Gammaracanthidae Bousfield, 1989 -- valid |
| |
Gammarellidae Bousfield, 1977 -- valid |
| |
Gammaridae Latreille, 1802 -- valid |
| |
Gammaridea -- invalid -- gammarid amphipods |
| |
Gammaroporeiidae Bousfield, 1978 -- valid |
| |
Gastrodelphyidae List, 1889 -- valid |
| |
Gecarcinidae MacLeay, 1838 -- valid -- land crabs |
| |
Gecarcinucidae Rathbun, 1904 -- valid |
| |
Gecarcinucoidea Rathbun, 1904 -- valid |
| |
Gelyellidae Rouch & Lescher-Moutoué, 1977 -- valid |
| |
Gelyelloida Huys, 1988 -- valid |
| |
Geryonidae Colosi, 1923 -- valid -- deepsea crabs |
| |
Gigantapseudidae Kudinova-Pasternak, 1978 -- valid |
| |
Glypheidae Winkler, 1881 -- valid |
| |
Glypheoidea Winkler, 1881 -- valid |
| |
Glyphocrangonidae S. I. Smith, 1884 -- valid -- armored shrimps, armored shrimp |
| |
Glyptograpsidae Schubart, Cuesta & Felder, 2002 -- valid |
| |
Gnathiidae Leach, 1814 -- valid |
| |
Gnathiidea Leach, 1814 -- valid |
| |
Gnathophyllidae Dana, 1852 -- invalid -- bumblebee shrimps |
| |
Gnathostenetroididae Kussakin, 1967 -- valid |
| |
Gnathostenetroidoidea Kussakin, 1967 -- valid |
| |
Godzilliidae Schram, Yager & Emerson, 1986 -- valid |
| |
Goneplacidae MacLeay, 1838 -- valid |
| |
Gonodactylidae Giesbrecht, 1910 -- valid -- gonodactylid mantis shrimps |
| |
Gonodactyloidea Giesbrecht, 1910 -- valid |
| |
Grapsidae MacLeay, 1838 -- valid -- marsh crabs, shore crabs, talon crabs |
| |
Grapsoidea MacLeay, 1838 -- valid |
| |
Gymnoplea Giesbrecht, 1882 -- valid |
| |
Gynodiastylidae Stebbing, 1912 -- valid |
| |
Hadromastacidae Bruce & Müller, 1991 -- valid |
| |
Hadziidae S. Karaman, 1943 -- valid |
| |
Halocyprida Dana, 1853 -- valid |
| |
Halocyprididae Dana, 1853 -- valid |
| |
Halocypridina Dana, 1853 -- valid |
| |
Halocypridinae Dana, 1853 -- valid |
| |
Halocypridoidea Dana, 1853 -- valid |
| |
Halophilosciidae Verhoeff, 1908 -- valid |
| |
Halosbaenidae Monod & Cals, 1988 -- valid |
| |
Hamondiidae Huys, 1990 -- valid |
| |
Hapalocarcinidae Calman, 1900 -- invalid |
| |
Haplomunnidae Wilson, 1976 -- valid |
| |
Haploniscidae Hansen, 1916 -- valid |
| |
Haplopoda -- invalid |
| |
Harpacticidae Dana, 1846 -- valid |
| |
Harpacticoida G. O. Sars, 1903 -- valid |
| |
Hatschekiidae Kabata, 1979 -- valid |
| |
Haustoriidae Stebbing, 1906 -- valid |
| |
Hekelidae Ferrara, 1977 -- valid |
| |
Helelidae Ferrara, 1977 -- invalid |
| |
Hemicytheridae Puri, 1953 -- valid |
| |
Hemioniscidae Bonnier, 1900 -- invalid |
| |
Hemisquillidae Manning, 1980 -- valid -- hemisquillid mantis shrimps |
| |
Hepatidae Stimpson, 1871 -- valid |
| |
Herpyllobiidae Hansen, 1892 -- valid |
| |
Heteralepadidae Nilsson-Cantell, 1921 -- valid |
| |
Heteralepadomorpha Newman, 1987 -- valid |
| |
Heterorhabdidae Sars, 1902 -- valid |
| |
Hexapodidae Miers, 1886 -- valid |
| |
Hippidae Latreille, 1825 -- valid -- sand crabs |
| |
Hippoidea Latreille, 1825 -- valid -- sand crabs, mole crabs |
| |
Hippolytidae Dana, 1852 -- invalid |
| |
Hirsutiidae Sanders, Hessler & Garner, 1985 -- valid |
| |
Holidoteidae Wägele, 1989 -- valid |
| |
Holognathidae G. Thomson, 1904 -- valid |
| |
Holopediidae Sars, 1865 -- valid |
| |
Homolidae De Haan, 1839 -- valid -- carrier crabs |
| |
Homolodromiidae Alcock, 1900 -- valid |
| |
Homolodromioidea Alcock, 1900 -- valid |
| |
Homoloidea De Haan, 1839 -- valid |
| |
Hoplocarida Calman, 1904 -- valid -- tamburataca |
| |
Huntemanniidae Por, 1986 -- valid |
| |
Hutchinsoniellidae Sanders, 1955 -- valid |
| |
Hyalellidae Bulycheva, 1957 -- valid |
| |
Hyalidae Bulycheva, 1957 -- valid |
| |
Hymenoceridae Ortmann, 1890 -- invalid -- harlequin shrimps |
| |
Hymenosomatidae MacLeay, 1838 -- valid |
| |
Hymenosomatoidea MacLeay, 1838 -- valid |
| |
Hyperbionychidae Ohtsuka, Roe & Boxshall, 1993 -- valid |
| |
Hyperiidae Dana, 1852 -- valid -- hyperiids |
| |
Hyperiidea H. Milne Edwards, 1830 -- valid -- hyperiideans |
| |
Hyperiopsidae Bovallius, 1886 -- valid |
| |
Hyponeoidae Heegaard, 1962 -- valid |
| |
Hypsimetopodidae Nicholls, 1943 -- valid |
| |
Hyssuridae Wägele, 1981 -- valid |
| |
Iblidae Leach, 1825 -- valid |
| |
Iblomorpha Newman, 1987 -- valid |
| |
Iciliidae Dana, 1849 -- valid |
| |
Idoteidae Samouelle, 1819 -- valid |
| |
Ilyocyprididae Kaufmann, 1900 -- valid |
| |
Inachidae MacLeay, 1838 -- valid |
| |
Inachoididae Dana, 1851 -- valid |
| |
Indosquillidae Manning, 1995 -- valid |
| |
Ingolfiellidae Hansen, 1903 -- valid |
| |
Ingolfiellidea -- valid |
| |
Intramolgidae Marchenkov & Boxshall, 1995 -- valid |
| |
Ipanemidae Barnard & Thomas, 1988 -- valid |
| |
Iphimediidae Boeck, 1871 -- valid |
| |
Irmaosidae Ferrara & Taiti, 1983 -- valid |
| |
Isaeidae Dana, 1852 -- valid |
| |
Ischnomesidae Hansen, 1916 -- valid |
| |
Ischyroceridae Stebbing, 1899 -- valid |
| |
Isopoda Latreille, 1817 -- valid -- isopods, pillbugs, sowbugs, cloportes, isopodes |
| |
Janirellidae Menzies, 1956 -- valid |
| |
Janiridae Sars, 1897 -- valid |
| |
Janiroidea Sars, 1897 -- valid |
| |
Joeropsididae Nordenstam, 1933 -- valid |
| |
Kakaducarididae Bruce, 1993 -- invalid |
| |
Kalliapseudidae Lang, 1956 -- valid |
| |
Katianiridae Svavarsson, 1987 -- valid |
| |
Kelleriidae Humes & Boxshall, 1996 -- valid |
| |
Kentrogonida Delage, 1884 -- valid |
| |
Keuphyliidae Bruce, 1980 -- valid |
| |
Kliellidae Schäfer, 1945 -- valid |
| |
Koleolepadidae Hiro, 1933 -- valid |
| |
Koonungidae Sayce, 1908 -- valid |
| |
Krithidae Mandelstam, 1958 -- valid |
| |
Kroyeriidae Kabata, 1979 -- valid |
| |
Kuriidae Walker & Scott, 1903 -- valid |
| |
Laevicaudata Linder, 1945 -- valid -- smooth clam shrimp, flat-tailed clam shrimps |
| |
Lamippidae Joliet, 1882 -- valid |
| |
Lampropidae Sars, 1878 -- valid |
| |
Lanceolidae Bovallius, 1887 -- valid |
| |
Lanceoloidea Bovallius, 1887 -- valid |
| |
Laomediidae Borradaile, 1903 -- valid |
| |
Laophontidae Scott, 1905 -- valid |
| |
Laophontopsidae Huys & Willems, 1989 -- valid |
| |
Laphystiidae Sars, 1893 -- invalid |
| |
Laphystiopsidae Stebbing, 1899 -- valid |
| |
Latiremidae Bozic, 1969 -- valid |
| |
Latreilliidae Stimpson, 1858 -- valid -- longleg crabs |
| |
Laurida Grygier, 1987 -- valid |
| |
Lauridae Gruvel, 1905 -- valid |
| |
Lepadidae Darwin, 1852 -- valid -- goose barnacles |
| |
Lepadomorpha Pilsbry, 1916 -- valid |
| |
Lepechinellidae Schellenberg, 1926 -- invalid |
| |
Lepidomysidae Clarke, 1961 -- valid |
| |
Leptanthuridae Poore, 2001 -- valid |
| |
Leptastacidae Lang, 1948 -- valid |
| |
Leptestheriidae Daday, 1923 -- valid |
| |
Leptochelidae Lang, 1973 -- invalid |
| |
Leptocheliidae Lang, 1973 -- valid |
| |
Leptocytheridae Hanai, 1957 -- valid |
| |
Leptodoridae Lilljeborg, 1861 -- valid |
| |
Leptopontiidae Lang, 1948 -- valid |
| |
Leptostraca Claus, 1880 -- valid -- leptostracans, nebaliaceans |
| |
Lernaeidae Cobbold, 1879 -- valid |
| |
Lernaeodiscidae Boschma, 1928 -- valid |
| |
Lernaeopodidae Milne Edwards, 1840 -- valid |
| |
Lernaeosoleidae Yamaguti, 1963 -- valid |
| |
Lernanthropidae Kabata, 1979 -- valid |
| |
Leuconidae Sars, 1878 -- valid |
| |
Leucosiidae Samouelle, 1819 -- valid -- purse crabs |
| |
Leucosioidea Samouelle, 1819 -- valid |
| |
Leucothoidae Dana, 1852 -- valid |
| |
Lichomolgidae Kossmann, 1877 -- valid |
| |
Lightiellidae Jones, 1961 -- invalid |
| |
Ligiamorpha Vandel, 1943 -- valid |
| |
Ligiidae Leach, 1814 -- valid |
| |
Liljeborgiidae Stebbing, 1899 -- valid |
| |
Limnadiidae Baird, 1849 -- invalid |
| |
Limnadopsidae Tasch, 1969 -- invalid |
| |
Limnoriidae White, 1850 -- valid -- gribbles |
| |
Linderiellidae Brtek, 1964 -- invalid |
| |
Linguatulidae Heymons, 1935 -- valid |
| |
Lithodidae Samouelle, 1819 -- valid -- king crabs |
| |
Lithoglyptidae Aurivillius, 1892 -- valid |
| |
Lithotryidae Gruvel, 1905 -- valid |
| |
Lomidae Bouvier, 1895 -- invalid |
| |
Lomisidae Bouvier, 1895 -- valid |
| |
Lomisoidea Bouvier, 1895 -- valid -- hairy stone crabs |
| |
Longipediidae Sars, 1903 -- valid |
| |
Lophogastrida G. O. Sars, 1870 -- valid -- lophogastridans, lophogastrids |
| |
Lophogastridae G. O. Sars, 1870 -- valid |
| |
Louriniidae Monard, 1927 -- valid |
| |
Loxoconchidae Sars, 1925 -- valid |
| |
Lubbockiidae Huys & Böttger-Schnack, 1997 -- valid |
| |
Lucicutiidae Sars, 1902 -- valid |
| |
Luciferidae De Haan, 1849 -- valid |
| |
Lycaeidae Claus, 1879 -- valid |
| |
Lycaeopsidae Chevreux, 1913 -- valid |
| |
Lycaeopsoidea Chevreux, 1913 -- valid |
| |
Lynceidae Baird, 1845 -- valid |
| |
Lysianassidae Dana, 1849 -- valid |
| |
Lysiosquillidae Giesbrecht, 1910 -- valid -- lysiosquillid mantis shrimps |
| |
Lysiosquilloidea Giesbrecht, 1910 -- valid |
| |
Macrochironidae Humes & Boxshall, 1996 -- valid |
| |
Macrocyprididae Müller, 1912 -- valid |
| |
Macrocypridoidea Müller, 1912 -- valid |
| |
Macrohectopidae Sowinsky, 1915 -- valid |
| |
Macrostylidae Hansen, 1916 -- valid |
| |
Macrothricidae Norman & Brady, 1867 -- valid |
| |
Macrotrichidae Norman & Brady, 1867 -- invalid |
| |
Majidae Samouelle, 1819 -- valid -- spider crabs, araignées de mer |
| |
Majoidea Samouelle, 1819 -- valid -- spider crabs |
| |
Malacolepadidae Hiro, 1937 -- valid |
| |
Malacostraca Latreille, 1802 -- valid |
| |
Mantridae Leigh-Sharpe, 1934 -- valid |
| |
Matutidae De Hann, 1841 -- valid |
| |
Maxillipiidae Ledoyer, 1973 -- valid |
| |
Maxillopoda Dahl, 1956 -- invalid |
| |
Mecynoceridae Andronov, 1973 -- valid |
| |
Megacalanidae Sewell, 1947 -- valid |
| |
Megaluropidae Thomas & J. L. Barnard, 1986 -- valid |
| |
Megapontiidae Heptner, 1968 -- valid |
| |
Melitidae Bousfield, 1973 -- valid |
| |
Melphidippidae Stebbing, 1899 -- valid |
| |
Menippidae Ortmann, 1893 -- valid |
| |
Mesaiokeratidae Matthews, 1961 -- valid |
| |
Mesogammaridae Bousfield, 1977 -- valid |
| |
Mesoglicolidae de Zulueta, 1911 -- valid |
| |
Mesoniscidae Verhoeff, 1908 -- valid |
| |
Mesosignidae Schultz, 1969 -- valid |
| |
Metacopina -- valid |
| |
Metacrangonyctidae Boutin & Missouli, 1988 -- valid |
| |
Metaingolfiellidae Ruffo, 1969 -- valid |
| |
Metapseudidae Lang, 1970 -- valid |
| |
Metidae Sars, 1910 -- valid |
| |
Metridinidae Sars, 1902 -- valid |
| |
Micheleidae Sakai, 1992 -- valid |
| |
Micrallectidae Huys, 2001 -- valid |
| |
Microcerberidae Karaman, 1933 -- valid |
| |
Microcerberidea Lang, 1961 -- valid |
| |
Microcytheridae Klie, 1938 -- valid |
| |
Microdajidae Boxshall & Lincoln, 1987 -- valid |
| |
Microlepadidae Zevina, 1980 -- valid |
| |
Microparasellidae Karaman, 1933 -- valid |
| |
Microphasmatidae Stephensen & Pirlot, 1931 -- valid |
| |
Micropontiidae Gooding, 1957 -- valid |
| |
Micruropidae Kamaltynov, 1999 -- valid |
| |
Mictacea Bowman, Garner, Hessler, Iliffe & Sanders, 1985 -- valid -- mictaceans |
| |
Mictocarididae Bowman & Iliffe, 1985 -- valid |
| |
Mictosomatidae Wolff, 1965 -- valid |
| |
Mictyridae Dana, 1851 -- valid |
| |
Mimilambridae Williams, 1979 -- invalid |
| |
Mimilambrus Williams, 1979 -- valid |
| |
Mimonectidae Bovallius, 1885 -- valid |
| |
Miraciidae Dana, 1846 -- valid |
| |
Mirocarididae Vereshchaka, 1997 -- invalid |
| |
Misophriidae Brady, 1878 -- valid |
| |
Misophrioida Gurney, 1933 -- valid |
| |
Mithracidae Balss, 1929 -- valid |
| |
Monodellidae Taramelli, 1954 -- valid |
| |
Monstrillidae Dana, 1849 -- valid |
| |
Monstrilloida Sars, 1901 -- valid |
| |
Mormonillidae Giesbrecht, 1893 -- valid |
| |
Mormonilloida Boxshall, 1979 -- valid |
| |
Munnidae Sars, 1897 -- valid |
| |
Munnopsididae Sars, 1869 -- invalid |
| |
Mycetomorphidae Høeg & Rybakov, 1992 -- valid |
| |
Myicolidae Yamaguti, 1936 -- valid |
| |
Myodocopa Sars, 1866 -- valid -- mystacocarids |
| |
Myodocopida Sars, 1866 -- valid |
| |
Myodocopina Sars, 1866 -- valid |
| |
Mysida Haworth, 1825 -- valid -- mysidans, opossum shrimp |
| |
Mysidacea Haworth, 1825 -- invalid -- opossom shrimp |
| |
Mysidae Haworth, 1825 -- valid |
| |
Mystacocarida Pennak & Zinn, 1943 -- valid |
| |
Mystacocaridida Pennak & Zinn, 1943 -- valid |
| |
Mytilicolidae Bocquet & Stock, 1957 -- valid |
| |
Najnidae J. L. Barnard, 1972 -- valid |
| |
Nanaspididae Humes & Cressey, 1959 -- valid |
| |
Nannastacidae Bate, 1866 -- valid |
| |
Nannoniscidae Hansen, 1916 -- valid |
| |
Nannosquillidae Manning, 1980 -- valid -- nannosquillid mantis shrimps |
| |
Natantia Boas, 1880 -- invalid |
| |
Nebaliidae Samouelle, 1819 -- valid |
| |
Nebaliopsidae Hessler, 1984 -- invalid |
| |
Nectiopoda Schram, 1986 -- valid |
| |
Nematocarcinidae S. I. Smith, 1884 -- valid |
| |
Nematocarcinoidea S. I. Smith, 1884 -- valid |
| |
Neobrachylepadidae Newman & Yamaguchi, 1995 -- valid |
| |
Neobradyidae Oloffson, 1917 -- valid |
| |
Neocopepoda Huys & Boxshall, 1991 -- valid |
| |
Neocytherideidae Puri, 1957 -- valid |
| |
Neomegamphopidae Myers, 1981 -- valid |
| |
Neoniphargidae Bousfield, 1977 -- valid |
| |
Neotanaidae Lang, 1956 -- valid |
| |
Neotanaidomorpha Sieg, 1980 -- valid |
| |
Neoverrucidae Newman, 1989 -- valid |
| |
Nephropidae Dana, 1852 -- valid -- clawed lobsters |
| |
Nephropoidea Dana, 1852 -- valid |
| |
Nereicolidae Claus, 1875 -- valid |
| |
Nichollsiidae Tiwari, 1955 -- invalid |
| |
Nicothoidae Dana, 1849 -- valid |
| |
Nihotungidae J. L. Barnard, 1972 -- valid |
| |
Niphargidae Bousfield, 1977 -- valid |
| |
Normanellidae Lang, 1944 -- valid |
| |
Notodelphyidae Dana, 1852 -- valid |
| |
Notodromadidae Kaufmann, 1900 -- valid |
| |
Notostraca G. O. Sars, 1867 -- valid -- tadpole shrimp |
| |
Nototanaidae Sieg, 1976 -- valid |
| |
Novocriniidae Huys & Iliffe, 1998 -- valid |
| |
Nucellicolidae Lamb, Boxshall, Mill & Grahame, 1996 -- valid |
| |
Nullosetigeridae Soh, Ohtsuka, Imabayashi & Suh, 1999 -- valid |
| |
Ochlesidae Stebbing, 1910 -- valid |
| |
Octopicolidae Humes & Boxshall, 1996 -- valid |
| |
Ocypodidae Rafinesque, 1815 -- valid -- fiddler crabs, ghost crabs |
| |
Ocypodoidea Rafinesque, 1815 -- valid |
| |
Odiidae Coleman & Barnard, 1991 -- valid |
| |
Odontodactylidae Manning, 1980 -- valid -- odontodactylid mantis shrimps |
| |
Oedicerotidae Lilljeborg, 1865 -- valid |
| |
Ogyrididae Holthuis, 1955 -- valid -- longeye shrimps |
| |
Oithonidae Dana, 1852 -- valid |
| |
Olibrinidae Vandel, 1973 -- valid |
| |
Oncaeidae Giesbrecht, 1893 -- valid |
| |
Onceroxenidae Huys, 1991 -- valid |
| |
Oniscidae Latreille, 1802 -- valid |
| |
Oniscidea Latreille, 1802 -- valid |
| |
Oniscoidea Latreille, 1802 -- valid |
| |
Onychopoda -- invalid |
| |
Opisidae Lowry & Stoddart, 1995 -- valid |
| |
Oplophoridae Dana, 1852 -- valid -- deepsea shrimps |
| |
Oplophoroidea Dana, 1852 -- valid |
| |
Orithyiidae Dana, 1853 -- valid |
| |
Orthopsyllidae Huys, 1990 -- valid |
| |
Ostracoda Latreille, 1802 -- valid -- ostracods, ostracodes |
| |
Oxycephalidae Dana, 1852 -- valid |
| |
Oxynaspididae Gruvel, 1905 -- valid |
| |
Ozmanidae Ho & Thatcher, 1989 -- valid |
| |
Pachylasmatidae Utinomi, 1968 -- valid |
| |
Pachylasmatoidea Utinomi, 1968 -- valid |
| |
Pachyschesidae Kamaltynov, 1999 -- valid |
| |
Pagetinidae K. H. Barnard, 1931 -- valid |
| |
Pagurapseudidae Lang, 1970 -- valid |
| |
Paguridae Latreille, 1802 -- valid -- right-handed hermit crabs |
| |
Paguridea Latreille, 1802 -- invalid |
| |
Paguroidea Latreille, 1802 -- valid -- hermit crabs |
| |
Palaemonidae Rafinesque, 1815 -- valid |
| |
Palaemonoidea Rafinesque, 1815 -- valid |
| |
Palicidae Bouvier, 1898 -- valid -- stilt crabs |
| |
Palinura Latreille, 1802 -- invalid |
| |
Palinuridae Latreille, 1802 -- valid -- spiny lobsters, furry lobsters |
| |
Palinuridea Latreille, 1802 -- invalid |
| |
Palinuroidea Latreille, 1802 -- invalid |
| |
Palpophriidae Boxshall & Jaume, 2000 -- valid |
| |
Pancarida Siewing, 1958 -- invalid |
| |
Pandalidae Haworth, 1825 -- valid |
| |
Pandaloidea Haworth, 1825 -- valid |
| |
Pandaridae Milne Edwards, 1840 -- valid |
| |
Panopeidae Ortmann, 1893 -- valid -- mud crabs |
| |
Parabathynellidae Noodt, 1965 -- valid |
| |
Paracalanidae Giesbrecht, 1893 -- valid |
| |
Paracalliopidae Barnard & Karaman, 1982 -- valid |
| |
Paracercopidae Vassilenko, 1968 -- valid |
| |
Paracrangonyctidae Bousfield, 1983 -- valid |
| |
Paracyprididae G. O. Sars, 1923 -- invalid |
| |
Paradoxostomatidae Brady & Norman, 1889 -- valid |
| |
Paraleptamphopidae Bousfield, 1983 -- valid |
| |
Paralubbockiidae Boxshall & Huys, 1989 -- valid |
| |
Paramelitidae Bousfield, 1977 -- valid |
| |
Paramesochridae Lang, 1944 -- valid |
| |
Paramunnidae Vanhöffen, 1914 -- valid |
| |
Paranannopidae -- invalid |
| |
Paranebaliidae Walker-Smith & Poore, 2001 -- valid |
| |
Paranthuridae Menzies & Glynn, 1968 -- valid |
| |
Parapaguridae S. I. Smith, 1882 -- valid -- deepwater hermit crabs |
| |
Paraphronimidae Bovallius, 1887 -- valid |
| |
Parapontellidae Giesbrecht, 1893 -- valid |
| |
Parapseudidae Gutu, 1981 -- valid |
| |
Parascelidae Bate, 1862 -- valid |
| |
Parasquillidae Manning, 1995 -- valid |
| |
Parasquilloidea Ahyong & Harling, 2000 -- valid |
| |
Parastacidae Huxley, 1879 -- valid |
| |
Parastacoidea Huxley, 1879 -- valid -- crayfishes, Southern hemisphere crawfish |
| |
Parastenheliidae Lang, 1936 -- valid |
| |
Parastenocarididae Chappuis, 1933 -- valid |
| |
Paratanaidae Lang, 1949 -- valid |
| |
Paratanaoidea Lang, 1949 -- valid |
| |
Parathelphusidae Alcock, 1910 -- valid |
| |
Pardaliscidae Boeck, 1871 -- valid |
| |
Pariambidae Laubitz, 1993 -- valid |
| |
Parkiidae Ferrari & Markhaseva, 1996 -- valid |
| |
Parthenopidae MacLeay, 1838 -- valid -- elbow crabs |
| |
Parthenopoidea MacLeay, 1838 -- valid |
| |
Pasiphaeidae Dana, 1852 -- valid -- glass shrimps |
| |
Pasiphaeoidea Dana, 1852 -- valid |
| |
Pectocytheridae Hanai, 1957 -- valid |
| |
Pedunculata Lamarck, 1818 -- valid -- stalked barnacles |
| |
Peltidiidae Sars, 1904 -- valid |
| |
Peltogastridae Lilljeborg, 1860 -- valid |
| |
Penaeidae Rafinesque, 1815 -- valid -- penaeid shrimps, crevettes pénaéïdes |
| |
Penaeidea Rafinesque, 1815 -- invalid |
| |
Penaeoidea Rafinesque, 1815 -- valid -- penaeoid shrimps, crevettes pénaéïdes |
| |
Pennellidae Burmeister, 1834 -- valid |
| |
Pentastomida Diesing, 1836 -- valid -- pentastomes, tongueworms |
| |
Peracarida Calman, 1904 -- valid -- barata da praia, pulga da praia, tatuzinho de jardim |
| |
Periscyphicidae Ferrara, 1973 -- valid |
| |
Perthiidae Williams & Barnard, 1988 -- valid |
| |
Petalophthalmidae Czerniavsky, 1882 -- valid |
| |
Petrarcidae Gruvel, 1905 -- valid |
| |
Phaennidae Sars, 1902 -- valid |
| |
Pharodidae Illg, 1948 -- valid |
| |
Philichthyidae Vogt, 1877 -- valid |
| |
Philichthyidea -- invalid |
| |
Philoblennidae Izawa, 1976 -- valid |
| |
Philomedidae Müller, 1906 -- valid |
| |
Philosciidae Kinahan, 1857 -- valid |
| |
Phliantidae Stebbing, 1899 -- valid |
| |
Phoratopodidae Hale, 1925 -- valid |
| |
Phoxocephalidae G. O. Sars, 1891 -- valid |
| |
Phoxocephalopsidae Barnard & Drummond, 1982 -- valid |
| |
Phreatogammaridae Bousfield, 1982 -- valid |
| |
Phreatoicidae Chilton, 1891 -- valid |
| |
Phreatoicidea Stebbing, 1893 -- valid |
| |
Phronimidae Rafinesque, 1815 -- valid |
| |
Phronimoidea Rafinesque, 1815 -- valid |
| |
Phrosinidae Dana, 1852 -- valid |
| |
Phtisicidae Vassilenko, 1968 -- valid |
| |
Phtisicoidea Vassilenko, 1968 -- invalid |
| |
Phyllocarida Packard, 1879 -- valid |
| |
Phyllodicolidae Delamare-Deboutteville & Laubier, 1961 -- valid |
| |
Phyllognathopodidae Gurney, 1932 -- valid |
| |
Phyllopoda Preuss, 1951 -- invalid |
| |
Phyllotymolinidae Tavares, 1998 -- valid |
| |
Physetocarididae Chace, 1940 -- valid |
| |
Physetocaridoidea Chace, 1940 -- valid |
| |
Physocephalata Bowman & Gruner, 1973 -- valid |
| |
Physosomata Pirlot, 1929 -- valid |
| |
Pilumnidae Samouelle, 1819 -- valid |
| |
Pinnotheridae De Haan, 1833 -- valid -- pea crabs |
| |
Pinnotheroidea De Haan, 1833 -- valid |
| |
Pirimelidae Alcock, 1899 -- valid |
| |
Pisidae Dana, 1851 -- valid |
| |
Plagusiidae Dana, 1851 -- valid |
| |
Plakarthriidae Hansen, 1905 -- valid |
| |
Platyarthridae Vandel, 1946 -- valid |
| |
Platycopida Sars, 1866 -- valid |
| |
Platycopiidae Sars, 1911 -- valid |
| |
Platycopioida Fosshagen, 1985 -- valid |
| |
Platyischnopidae Barnard & Drummond, 1979 -- valid |
| |
Platylepadidae Newman & Ross, 1976 -- valid -- turtle barnacles |
| |
Platyscelidae Bate, 1862 -- valid |
| |
Platysceloidea Bate, 1862 -- valid |
| |
Platythelphusidae Colosi, 1920 -- valid |
| |
Platyxanthidae Guinot, 1977 -- valid |
| |
Pleocyemata Burkenroad, 1963 -- valid |
| |
Pleurocopidae Fresi & Schiecke, 1972 -- valid |
| |
Pleustidae Buchholz, 1874 -- valid |
| |
Plioplateidae J. L. Barnard, 1978 -- valid |
| |
Podasconidae Bonnier, 1900 -- valid |
| |
Podoceridae Leach, 1814 -- valid |
| |
Podocopa -- valid |
| |
Podocopida Sars, 1866 -- valid |
| |
Podonidae Mordukhai-Boltovskoi, 1968 -- valid |
| |
Podoplea Giesbrecht, 1882 -- valid |
| |
Podoprionidae Lowry & Stoddart, 1996 -- valid |
| |
Poecilasmatidae Annandale, 1909 -- valid |
| |
Poecilostomatoida Thorell, 1859 -- valid |
| |
Pollicipedidae Leach, 1817 -- valid |
| |
Polyankylidae Ho & Kim, 1997 -- valid |
| |
Polyartemiidae Simon, 1886 -- invalid |
| |
Polychelidae Wood-Mason, 1875 -- valid -- blind lobsters |
| |
Polycopidae Sars, 1865 -- valid |
| |
Polycopoidea Sars, 1865 -- valid |
| |
Polyphemidae Baird, 1845 -- valid |
| |
Polysaccidae Lützen & Takahashi, 1996 -- valid |
| |
Pomatochelidae Stebbing, 1914 -- invalid |
| |
Pomatochelidae Miers, 1879 -- invalid |
| |
Pontellidae Dana, 1852 -- valid |
| |
Pontocyprididae Müller, 1894 -- valid |
| |
Pontocypridoidea Müller, 1894 -- valid |
| |
Pontoeciellidae Giesbrecht, 1895 -- valid |
| |
Pontogammaridae Bousfield, 1977 -- valid |
| |
Pontoporeiidae Dana, 1853 -- valid |
| |
Porcellanidae Haworth, 1825 -- valid -- porcelain crabs |
| |
Porcellidiidae Boeck, 1865 -- valid |
| |
Porcellionidae Brandt, 1831 -- valid |
| |
Porocephalida Heymons, 1935 -- valid |
| |
Porocephalidae Fain, 1961 -- valid |
| |
Portunidae Rafinesque, 1815 -- valid -- swimming crabs |
| |
Portunoidea Rafinesque, 1815 -- valid |
| |
Potamidae Ortmann, 1896 -- valid |
| |
Potamoidea Ortmann, 1896 -- valid |
| |
Potamonautidae Bott, 1970 -- valid |
| |
Poupiniidae Guinot, 1991 -- valid |
| |
Priscomilitaridae Hirayama, 1988 -- valid |
| |
Procarididae Chace & Manning, 1972 -- valid |
| |
Procaridoidea Chace & Manning, 1972 -- valid |
| |
Processidae Ortmann, 1896 -- valid -- night shrimps |
| |
Processoidea Ortmann, 1896 -- valid -- night shrimps |
| |
Progymnoplea Lang, 1948 -- valid |
| |
Pronoidae Dana, 1852 -- valid |
| |
Proscinidae Pirlot, 1933 -- valid |
| |
Protellidae McCain, 1970 -- valid |
| |
Protocytheridae Ljubimova, 1956 -- valid |
| |
Protognathiidae Wägele & Brandt, 1988 -- valid |
| |
Protojaniridae Fresi, Idato & Scipione, 1980 -- valid |
| |
Protosquillidae Manning, 1980 -- valid -- protosquillid mantis shrimps |
| |
Psalidopodidae Wood-Mason in Wood-Mason & Alcock, 1892 -- valid -- scissorfoot shrimps |
| |
Psalidopodoidea Wood-Mason in Wood-Mason & Alcock, 1892 -- valid |
| |
Psammaspididae Schminke, 1974 -- valid |
| |
Psammocytheridae Klie, 1938 -- valid |
| |
Pseudamphilochidae Schellenberg, 1931 -- invalid |
| |
Pseudanthessiidae Humes & Stock, 1972 -- valid |
| |
Pseudarmadillidae Vandel, 1973 -- valid |
| |
Pseudidotheidae Ohlin, 1901 -- valid |
| |
Pseudocrangonyctidae Holsinger, 1989 -- valid |
| |
Pseudocumatidae Sars, 1878 -- valid |
| |
Pseudocyclopidae Giesbrecht, 1893 -- valid |
| |
Pseudocyclopiidae Sars, 1902 -- valid |
| |
Pseudocycnidae Wilson, 1922 -- valid |
| |
Pseudodiaptomidae Sars, 1902 -- valid |
| |
Pseudojaniridae Wilson, 1986 -- valid |
| |
Pseudorhombilidae Alcock, 1900 -- valid |
| |
Pseudosquillidae Manning, 1977 -- valid -- pseudosquillid mantis shrimps |
| |
Pseudotachidiidae Lang, 1936 -- valid |
| |
Pseudotanaidae Sieg, 1976 -- valid |
| |
Pseudothelphusidae Ortmann, 1893 -- valid |
| |
Pseudothelphusoidea Ortmann, 1893 -- valid |
| |
Pseudozeuxidae Sieg, 1982 -- valid |
| |
Pudeoniscidae Lemos de Castro, 1973 -- valid |
| |
Punciidae Hornibrook, 1949 -- valid |
| |
Pygophora Berndt, 1907 -- valid |
| |
Pylochelidae Spence Bate, 1888 -- valid |
| |
Pyrgomatidae Gray, 1825 -- valid -- coral barnacles |
| |
Raninidae De Haan, 1839 -- valid -- frog crabs |
| |
Raninoidea De Haan, 1839 -- valid |
| |
Rataniidae Giesbrecht, 1897 -- valid |
| |
Rectarcturidae Poore, 2001 -- valid |
| |
Reighardiidae Heymons, 1935 -- valid |
| |
Remipedia Yager, 1981 -- valid -- Remipedes |
| |
Retroplumidae Gill, 1894 -- valid |
| |
Retroplumoidea Gill, 1894 -- valid |
| |
Rhincalanidae Geletin, 1976 -- valid |
| |
Rhizocephala Müller, 1862 -- valid |
| |
Rhizolepadidae Zevina, 1980 -- valid |
| |
Rhizothricidae Por, 1986 -- valid |
| |
Rhynchocinetidae Ortmann, 1890 -- valid -- hingebeak shrimp |
| |
Rhynchocinetoidea Ortmann, 1890 -- invalid |
| |
Rhynchomolgidae Humes & Stock, 1972 -- valid |
| |
Rhyscotidae Budde-Lund, 1908 -- valid |
| |
Ridgewayiidae Wilson, 1958 -- valid |
| |
Rotundiclipeidae Huys, 1988 -- valid |
| |
Rutidermatidae Brady & Norman, 1896 -- valid |
| |
Ryocalanidae Andronov, 1974 -- valid |
| |
Sabelliphilidae Gurney, 1927 -- valid |
| |
Saccopsidae Lützen, 1964 -- valid |
| |
Sacculinidae Lilljeborg, 1860 -- valid |
| |
Salentinellidae Bousfield, 1977 -- valid |
| |
Sambonidae Fain, 1961 -- valid |
| |
Santiidae Wilson, 1987 -- valid |
| |
Sapphirinidae Thorell, 1860 -- valid |
| |
Sarsiellidae Brady & Norman, 1896 -- valid |
| |
Sarsielloidea Brady & Norman, 1896 -- valid |
| |
Sarsostraca Tasch, 1969 -- invalid -- fairy shrimp, brine shrimp |
| |
Scalpellidae Pilsbry, 1907 -- valid |
| |
Scalpellomorpha Newman, 1987 -- valid |
| |
Schizocytheridae Howe, 1961 -- valid |
| |
Schoebliidae Verhoeff, 1938 -- valid |
| |
Scinidae Stebbing, 1888 -- valid |
| |
Scinoidea Stebbing, 1888 -- valid |
| |
Scleropactidae Verhoeff, 1938 -- valid |
| |
Scolecitrichidae Giesbrecht, 1893 -- valid |
| |
Scopelocheiridae Lowry & Stoddart, 1997 -- valid |
| |
Scottomyzontidae Ivanenko, Ferrari & Smurov, 2001 -- valid |
| |
Scyllaridae Latreille, 1825 -- valid -- slipper lobsters |
| |
Scyphacidae Dana, 1852 -- valid |
| |
Sebekiidae Fain, 1961 -- invalid |
| |
Sebidae Walker, 1908 -- valid |
| |
Sergestidae Dana, 1852 -- valid |
| |
Sergestoidea Dana, 1852 -- valid -- sergestid shrimps, sergestoid shrimps |
| |
Serolidae Dana, 1852 -- valid |
| |
Serpulidicolidae Stock, 1979 -- valid |
| |
Sesarmidae Dana, 1851 -- valid |
| |
Sessilia Lamarck, 1818 -- valid -- sessile barnacles |
| |
Shiinoidae Cressey, 1975 -- valid |
| |
Sicyoniidae Ortmann, 1898 -- valid -- rock shrimps |
| |
Sididae Baird, 1850 -- valid |
| |
Sigilliidae Mandelstam, 1960 -- valid |
| |
Sigilliocopina Martens, 1992 -- valid |
| |
Sigillioidea Mandelstam, 1960 -- valid |
| |
Sinopotamidae Bott, 1970 -- invalid |
| |
Sinurothoidae Ren, 1999 -- valid |
| |
Siphonostomatoida Thorell, 1859 -- valid |
| |
Solenoceridae Wood-Mason in Wood-Mason & Alcock, 1891 -- valid -- solenocerid shrimps |
| |
Spelaeogriphacea Gordon, 1957 -- valid -- spelaeogriphaceans |
| |
Spelaeogriphidae Gordon, 1957 -- valid |
| |
Spelaeoniscidae Vandel, 1948 -- valid |
| |
Speleoithonidae da Rocha & Iliffe, 1991 -- valid |
| |
Speleonectidae Yager, 1981 -- valid |
| |
Speleoniscidae Vandel, 1948 -- invalid |
| |
Speleophriidae Boxshall & Jaume, 2000 -- valid |
| |
Sphaeromatidae Latreille, 1825 -- valid |
| |
Sphaeroniscidae Vandel, 1964 -- valid |
| |
Sphyrapidae Gutu, 1980 -- valid |
| |
Sphyriidae Wilson, 1919 -- valid |
| |
Spinicaudata Linder, 1945 -- invalid -- spiny clam shrimp |
| |
Spinocalanidae Vervoort, 1951 -- valid |
| |
Spiophanicolidae Ho, 1984 -- valid |
| |
Splanchnotrophidae Norman & Scott, 1906 -- valid |
| |
Spongicolidae Schram, 1986 -- valid -- glass sponge shrimps |
| |
Sponginticolidae Topsent, 1928 -- valid |
| |
Spongiocnizontidae Stock & Kleeton, 1964 -- valid |
| |
Squillidae Latreille, 1802 -- valid -- squillid mantis shrimps |
| |
Squilloidea Latreille, 1802 -- valid |
| |
Stegocephalidae Dana, 1852 -- valid |
| |
Stellicomitidae Humes & Cressey, 1958 -- valid |
| |
Stenasellidae Dudich, 1924 -- valid |
| |
Stenetriidae Hansen, 1905 -- valid |
| |
Stenetrioidea Hansen, 1905 -- valid |
| |
Stenoniscidae Budde-Lund, 1904 -- valid |
| |
Stenopodidae Claus, 1872 -- valid -- coral shrimps |
| |
Stenopodidea -- valid -- coral shrimps, glass sponge shrimps |
| |
Stenothoidae Boeck, 1871 -- valid |
| |
Stephidae Sars, 1902 -- valid |
| |
Sternophysingidae Holsinger, 1992 -- valid |
| |
Stilipedidae Holmes, 1908 -- valid |
| |
Stomatopoda Latreille, 1817 -- valid -- mantis shrimp, mantis shrimps |
| |
Strahlaxiidae Poore, 1994 -- valid |
| |
Streptocephalidae Daday, 1910 -- valid |
| |
Stygiomysidae Caroli, 1937 -- valid |
| |
Stygocarididae Noodt, 1963 -- valid |
| |
Stylodactylidae Spence Bate, 1888 -- valid |
| |
Stylodactyloidea Spence Bate, 1888 -- valid |
| |
Styloniscidae Vandel, 1952 -- valid |
| |
Styloniscoidea Vandel, 1952 -- valid |
| |
Styracothoracidae Huys, 1993 -- valid |
| |
Subtriquetridae Fain, 1961 -- valid |
| |
Sulcanidae Nicholls, 1945 -- valid |
| |
Superornatiremidae Huys, 1997 -- valid |
| |
Symethidae Goeke, 1981 -- valid |
| |
Synagogidae Gruvel, 1905 -- valid |
| |
Synapticolidae Humes & Boxshall, 1996 -- valid |
| |
Synaptiphilidae Bocquet, 1953 -- valid |
| |
Synaxidae Bate, 1881 -- invalid -- furry lobsters |
| |
Syncarida Packard, 1885 -- valid -- syncarids |
| |
Synopiidae Dana, 1852 -- valid |
| |
Tachidiidae Boeck, 1865 -- valid |
| |
Taeniacanthidae Wilson, 1911 -- valid |
| |
Takuidae Manning, 1995 -- valid |
| |
Talitridae Rafinesque, 1815 -- valid |
| |
Tanaidacea Dana, 1849 -- valid -- tanaidaceans |
| |
Tanaidae Dana, 1849 -- valid |
| |
Tanaidomorpha Sieg, 1980 -- valid |
| |
Tanaoidea Dana, 1849 -- valid |
| |
Tanapseudidae Bacescu, 1978 -- invalid |
| |
Tantulocarida Boxshall & Lincoln, 1983 -- valid |
| |
Tanypleuridae Kabata, 1969 -- valid |
| |
Tanzanapseudidae Bacescu, 1975 -- valid |
| |
Tecticepitidae Iverson, 1982 -- invalid |
| |
Tegastidae Sars, 1904 -- valid |
| |
Tegobomolochidae Avdeev, 1978 -- valid |
| |
Telsidae Ho, 1967 -- valid |
| |
Temnophliantidae Griffiths, 1975 -- valid |
| |
Temoridae Giesbrecht, 1893 -- valid |
| |
Tendosphaeridae Verhoeff, 1930 -- valid |
| |
Terrestricytheridae Schornikov, 1969 -- valid |
| |
Tetraclitidae Gruvel, 1903 -- valid |
| |
Tetraclitoidea Gruvel, 1903 -- valid |
| |
Tetragonicipitidae Lang, 1944 -- valid |
| |
Tetrasquillidae Manning & Camp, 1993 -- valid -- tetrasquillid mantis shrimps |
| |
Thaerocytheridae Hazel, 1967 -- valid |
| |
Thalassinidae Latreille, 1831 -- valid -- mud lobsters |
| |
Thalassinidea Latreille, 1831 -- invalid |
| |
Thalassinoidea Latreille, 1831 -- invalid |
| |
Thalassocarididae Spence Bate, 1888 -- invalid |
| |
Thalestridae Sars, 1905 -- valid |
| |
Thambematidae Stebbing, 1913 -- valid |
| |
Thamnocephalidae Packard, 1883 -- valid |
| |
Thamnomolgidae Humes & Boxshall, 1996 -- valid |
| |
Tharybidae Sars, 1902 -- valid |
| |
Thaumastochelidae Bate, 1888 -- invalid |
| |
Thaumatocyprididae Müller, 1906 -- valid |
| |
Thaumatocypridoidea Müller, 1906 -- valid |
| |
Thaumatopsyllidae Sars, 1913 -- valid |
| |
Thecostraca Gruvel, 1905 -- valid |
| |
Thermosbaenacea Monod, 1927 -- valid -- thermosbaenaceans |
| |
Thermosbaenidae Monod, 1927 -- valid |
| |
Thespesiopsyllidae Wilson, 1924 -- invalid |
| |
Thiidae Dana, 1852 -- valid |
| |
Thomassiniidae de Saint Laurent, 1979 -- invalid |
| |
Thompsoniidae Høeg & Rybakov, 1992 -- valid |
| |
Thompsonulidae Lang, 1944 -- valid |
| |
Thoracica Darwin, 1854 -- valid -- barnacles |
| |
Tisbidae Stebbing, 1910 -- valid |
| |
Titaniidae Verhoeff, 1938 -- valid |
| |
Tortanidae Sars, 1902 -- valid |
| |
Trachelipodidae Strouhal, 1953 -- valid |
| |
Trachyleberididae Sylvester-Bradley, 1948 -- valid |
| |
Trapeziidae Miers, 1886 -- valid -- coral crabs, guard crabs |
| |
Trebiidae Wilson, 1905 -- valid |
| |
Trichodactylidae Milne Edwards, 1853 -- valid |
| |
Trichoniscidae Sars, 1899 -- valid |
| |
Trichoniscoidea Sars, 1899 -- valid |
| |
Tridentellidae Bruce, 1984 -- valid |
| |
Triopsidae Keilhack, 1909 -- valid |
| |
Trischizostomatidae Lilljeborg, 1865 -- valid |
| |
Trypetesidae Stebbing, 1910 -- valid |
| |
Tuccidae Vervoort, 1962 -- valid |
| |
Tulearidae Ledoyer, 1979 -- valid |
| |
Tulumellidae Wagner, 1994 -- valid |
| |
Tunanoniscidae Borutskii, 1969 -- invalid |
| |
Turanoniscidae Borutzkii, 1969 -- valid |
| |
Tychidae Dana, 1851 -- valid -- urn crabs |
| |
Tylidae Dana, 1852 -- valid |
| |
Tylomorpha Vandel, 1943 -- valid |
| |
Typhlocarididae Annandale & Kemp, 1913 -- valid |
| |
Typhlogammaridae Bousfield, 1978 -- valid |
| |
Typhlotanaidae Sieg, 1986 -- invalid |
| |
Unipeltata Latreille, 1825 -- valid |
| |
Upogebiidae Borradaile, 1903 -- valid -- mud shrimps |
| |
Uristidae Hurley, 1963 -- valid |
| |
Urocopiidae Humes & Stock, 1972 -- valid |
| |
Urohaustoriidae Barnard & Drummond, 1982 -- valid |
| |
Urothoidae Bousfield, 1979 -- valid |
| |
Vahiniidae Humes, 1967 -- valid |
| |
Valettidae Stebbing, 1888 -- valid |
| |
Valvifera Sars, 1882 -- valid |
| |
Varunidae Milne Edwards, 1853 -- valid |
| |
Ventriculinidae Leigh-Sharpe, 1934 -- valid |
| |
Vermectiadidae Just & Poore, 1992 -- valid |
| |
Verrucidae Darwin, 1854 -- valid |
| |
Verrucomorpha Pilsbry, 1916 -- valid -- wart barnacles |
| |
Vibiliidae Dana, 1853 -- valid |
| |
Vibilioidea Dana, 1852 -- valid |
| |
Vicmusiidae Just, 1990 -- valid |
| |
Vitjazianidae Birstein & Vinogradov, 1955 -- valid |
| |
Wandinidae Lowry & Stoddart, 1990 -- valid |
| |
Whiteleggiidae Gutu, 1972 -- valid |
| |
Xanthidae MacLeay, 1838 -- valid -- mud crabs, crabes de boue, xanthidés, pebble crabs, rubble crabs |
| |
Xanthoidea MacLeay, 1838 -- valid |
| |
Xarifiidae Humes, 1960 -- valid |
| |
Xenarcturidae Sheppard, 1957 -- valid |
| |
Xenocoelomatidae Bresciani & Lützen, 1966 -- valid |
| |
Xestoleberididae Sars, 1928 -- valid |
| |
Xiphocarididae Ortmann, 1895 -- valid |
| |
Zobrachoidae Barnard & Drummond, 1982 -- valid |
| |
|