MilliBase
Between brackets is the number of accepted extant species
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Shows the number of accepted extant species within the taxon
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- Myriapoda (13 583)
- Class Chilopoda (6)
- Class Diplopoda (12 940)
- Subclass Chilognatha (12 779)
- Infraclass Helminthomorpha (11 992)
- Subterclass Colobognatha (298)
- Subterclass Eugnatha (11 693)
- Superorder Juliformia (4 368)
- Superorder Merocheta (5 647)
- Order Polydesmida (5 647)
- Suborder Dalodesmidea (378)
- Suborder Leptodesmidea (2 279)
- Superfamily Chelodesmoidea Cook, 1895 (778)
- Superfamily Platyrhacoidea Pocock, 1895 (395)
- Superfamily Rhachodesmoidea Carl, 1903 (73)
- Superfamily Sphaeriodesmoidea Humbert & De Saussure, 1869 (109)
- Superfamily Xystodesmoidea Cook, 1895 (924)
- Family Eurymerodesmidae Causey, 1951 accepted as Eurymerodesmini Causey, 1951
- Family Euryuridae Pocock, 1909 accepted as Euryurini Pocock, 1909
- Family Gomphodesmidae Cook, 1896 (181)
- Family Oxydesmidae Cook, 1895 (177)
- Family Xystodesmidae Cook, 1895 (566)
- Subfamily Chonaphinae Verhoeff, 1941 accepted as Chonaphini Verhoeff, 1941
- Subfamily Melaphinae Brölemann, 1916 (11)
- Subfamily Parafontariinae Hoffman, 1978 accepted as Parafontariini Hoffman, 1978
- Subfamily Rhysodesminae Brolemann, 1916 (413)
- Tribe Apheloriini Hoffman, 1980 (167)
- Tribe Eurymerodesmini Causey, 1951 (28)
- Genus Eurymerodesmus Brölemann, 1900 (28)
- Species Eurymerodesmus amplus Causey, 1952
- Species Eurymerodesmus angularis Causey, 1951
- Species Eurymerodesmus bentonus Causey, 1950 accepted as Eurymerodesmus newtonus Chamberlin, 1942
- Species Eurymerodesmus birdi Chamberlin, 1931
- Subspecies Eurymerodesmus birdi birdi Chamberlin, 1931 accepted as Eurymerodesmus birdi Chamberlin, 1931
- Subspecies Eurymerodesmus birdi planus Causey, 1950 accepted as Eurymerodesmus planus Causey, 1950
- Species Eurymerodesmus booneus Chamberlin, 1942 accepted as Euryurus evides (Bollman, 1887)
- Species Eurymerodesmus caesariatus Shelley, 1990
- Species Eurymerodesmus christianus Chamberlin, 1946
- Species Eurymerodesmus clavatus Shelley, 1990
- Species Eurymerodesmus compressus Causey, 1952
- Species Eurymerodesmus crassatus Shelley, 1990
- Species Eurymerodesmus creolus Chamberlin, 1942 accepted as Eurymerodesmus birdi Chamberlin, 1931
- Species Eurymerodesmus dactylocyphus Shelley, 1989
- Species Eurymerodesmus digitatus Loomis, 1976
- Species Eurymerodesmus dubius Chamberlin, 1943
- Species Eurymerodesmus elevatus Shelley, 1990
- Species Eurymerodesmus goodi Causey, 1952
- Species Eurymerodesmus hamatilis Loomis, 1969 accepted as Eurymerodesmus amplus Causey, 1952
- Species Eurymerodesmus hispidipes (Wood, 1864)
- Species Eurymerodesmus impurus (Wood, 1867)
- Species Eurymerodesmus louisianae Chamberlin, 1942
- Species Eurymerodesmus melacis Chamberlin & Mulaik, 1941
- Species Eurymerodesmus minimus Loomis, 1943 accepted as Eurymerodesmus varius (McNeill, 1888)
- Species Eurymerodesmus mundus Chamberlin, 1931
- Species Eurymerodesmus newtonus Chamberlin, 1942
- Species Eurymerodesmus oliphantus Chamberlin, 1942
- Species Eurymerodesmus paroicus (Chamberlin, 1942)
- Species Eurymerodesmus planus Causey, 1950
- Species Eurymerodesmus plishneri Causey, 1950 accepted as Eurymerodesmus birdi Chamberlin, 1931
- Species Eurymerodesmus polkensis (Causey, 1952)
- Species Eurymerodesmus pulaski (Causey, 1950)
- Species Eurymerodesmus sanbernardiensis Causey, 1952
- Species Eurymerodesmus schmidti Chamberlin, 1943 accepted as Eurymerodesmus birdi Chamberlin, 1931
- Species Eurymerodesmus serratus Shelley, 1990
- Species Eurymerodesmus simplex Chamberlin, 1920
- Species Eurymerodesmus spectabilis Causey, 1950 accepted as Eurymerodesmus louisianae Chamberlin, 1942
- Species Eurymerodesmus varius (McNeill, 1888)
- Species Eurymerodesmus wellesleybentoni Causey, 1952 accepted as Eurymerodesmus angularis Causey, 1951
- Species Eurymerodesmus wellesleybentonus Causey, 1952 accepted as Eurymerodesmus angularis Causey, 1951
- Tribe Euryurini Pocock, 1909 (15)
- Tribe Nannariini Hoffman, 1964 (80)
- Tribe Rhysodesmini Brölemann, 1916 (123)
- Subfamily Xystodesminae Hoffman, 1978 (142)
- Suborder Paradoxosomatidea accepted as Strongylosomatidea
- Suborder Polydesmidea (1 605)
- Suborder Strongylosomatidea (1 385)
- Superfamily Opisotretoidea Hoffman, 1980
- Family Anoplodesmidae Pocock, 1909 accepted as Sulciferini Attems, 1898
- Family Atopogonidae Verhoeff, 1941
- Family Ceratesmidae Chamberlin, 1942 accepted as Pyrgodesmidae Silvestri, 1896
- Family Chatelaineidae Cook, 1911 accepted as Pyrgodesmidae Silvestri, 1896
- Family Chytodesmidae Cook, 1896 accepted as Pyrgodesmidae Silvestri, 1896
- Family Comodesmidae Cook, 1896
- Family Crypturodesmidae Silvestri, 1897 accepted as Oniscodesmidae De Saussure, 1860
- Family Cyclodesmidae Silvestri, 1895 accepted as Sphaeriodesminae Humbert & De Saussure, 1869
- Family Cylindrodesmidae Pocock, 1898
- Family Decaporodesmidae Kenyon, 1899 accepted as Pyrgodesmidae Silvestri, 1896
- Family Desmonidae Cook, 1898 accepted as Desmonini Cook, 1898
- Family Devilleidae Silvestri, 1903 accepted as Devilleini Silvestri, 1903
- Family Eoromidae Loomis, 1936 accepted as Pyrgodesmidae Silvestri, 1896
- Family Ergethidae Chamberlin, 1949
- Family Eroonsomidae Manfredi, 1943 accepted as Eroonsomatini Manfredi, 1943
- Family Eutynellidae Chamberlin, 1940
- Family Fontariidae Attems, 1926 accepted as Xystodesmidae Cook, 1895
- Family Haplosomidae Silvestri, 1895 accepted as Haplodesmidae Cook, 1895
- Family Helodesmidae Cook, 1896 accepted as Helodesminae Cook, 1896
- Family Hercodesmidae Cook, 1896 accepted as Pyrgodesmidae Silvestri, 1896
- Family Hylomidae Cook & Loomis, 1924 accepted as Hylomini Cook & Loomis, 1924
- Family Hynidesmidae Cook, 1896
- Family Icosidesmidae Brölemann, 1916 accepted as Dalodesmidae Cook, 1896
- Family Kiusiunidae Verhoeff, 1942
- Family Macellolophidae Attems, 1940 accepted as Chelodesmidae Cook, 1895
- Family Mastigonodesmidae Attems, 1914 accepted as Trichopolydesmidae Verhoeff, 1910
- Family Niponiellidae Verhoeff, 1942 accepted as Niponiini Verhoeff, 1931
- Family Onomatoplanidae Schubart, 1956 accepted as Niponiini Verhoeff, 1931
- Family Otodesmidae Cook, 1896 accepted as Otodesminae Cook, 1896
- Family Peridontodesmidae Pocock, 1909 accepted as Peridontodesmini Pocock, 1909
- Family Pratinidae Schubart, 1939 accepted as Hylomini Cook & Loomis, 1924
- Family Prionopeltidae Verhoeff, 1924 accepted as Hylomini Cook & Loomis, 1924
- Family Pterodesmidae Cook, 1896 accepted as Pterodesminae Cook, 1895
- Family Scytonotidae Cook & Loomis, 1924 accepted as Polydesmidae Leach, 1815
- Family Semnosomatidae Brölemann, 1916 accepted as Dalodesmidae Cook, 1896
- Family Sigmocheiridae Causey, 1955 accepted as Sigmocheirini Causey, 1955
- Family Sphaerotrichopodidae Attems, 1914 accepted as Dalodesmidae Cook, 1896
- Family Stiodesmidae Cook, 1896 accepted as Pyrgodesmidae Silvestri, 1896
- Family Strongylosomatidae Cook, 1895 accepted as Paradoxosomatidae Daday, 1889
- Family Stylodesmidae Cook, 1895 accepted as Pyrgodesmidae Silvestri, 1896
- Family Telonychopodidae Verhoeff, 1951
- Family Thelydesmidae Cook, 1896 accepted as Thelydesminae Cook, 1896
- Family Trachelorhachidae Silvestri, 1898 accepted as Aphelidesmini Brölemann, 1916
- Family Vanhoeffeniidae Attems, 1914 accepted as Dalodesmidae Cook, 1896
- Family Xyodesmidae Cook, 1896 accepted as Prepodesminae Cook, 1896
- Superorder Nematophora (1 676)
- Order Siphoniulida (2)
- Family Hexecontasomatidae Hannibal, 2000 † (1)
- Family Oklahomasomatidae Hannibal & May, 2020 †
- Genus Dolesea Hannibal & May, 2020 †
- Infraclass Pentazonia (786)
- Order Zosterogrammida † (1)
- Subclass Penicillata (161)
- Class Euthycarcinoidea †
- Class Pauropoda (534)
- Class Symphyla (103)
