MilliBase
Between brackets is the number of accepted extant species
Click on "-" to collapse/hide all child taxa
Shows the number of accepted extant species within the taxon
The last expanded taxon is highlighted
Click on "+" to expand/show all child taxa
Click to see the taxon details page
- 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)
- Family Aphelidesmidae Brölemann, 1916 (155)
- Family Platyrhacidae Pocock, 1895 (240)
- Subfamily Barydesminae Hoffman, 1980 (66)
- Subfamily Diodontodesminae Jeekel, 2007 (4)
- Subfamily Erythrhacinae Jeekel, 2007 (19)
- Subfamily Euryurinae Pocock, 1909
- Subfamily Hoplurorhachinae Hoffman, 2001 (7)
- Subfamily Phyodesminae Cook, 1896 (9)
- Subfamily Platyrhacinae Pocock, 1895 (70)
- Tribe Acanthodesmini Cook, 1896 accepted as Platyrhacini Pocock, 1895
- Tribe Barydesmini Hoffman, 1980 accepted as Barydesminae Hoffman, 1980
- Tribe Diodontodesmini Jeekel, 2007 accepted as Diodontodesminae Jeekel, 2007
- Tribe Erythrhacini Jeekel, 2007 accepted as Erythrhacinae Jeekel, 2007
- Tribe Hoplurorhachini Hoffman, 2001 accepted as Hoplurorhachinae Hoffman, 2001
- Tribe Phyodesmini Cook, 1896 accepted as Phyodesminae Cook, 1896
- Tribe Platyrhacini Pocock, 1895 (67)
- Genus Acanthodesmus Peters, 1864 (7)
- Genus Acisternum Silvestri, 1896 accepted as Platyrhacus C. L. Koch, 1847
- Genus Arbelorhacus Hoffman, 2001 (2)
- Genus Cradodesmus Cook, 1896 (1)
- Genus Cyrtorhachis Silvestri, 1896 accepted as Platyrhacus C. L. Koch, 1847
- Genus Dicrodesmus Silvestri, 1896 accepted as Platyrhacus C. L. Koch, 1847
- Genus Eurydirorhachis Pocock, 1897 (3)
- Genus Gigantorhacus Jeekel, 2007 (5)
- Genus Harpodesmus Cook, 1896 accepted as Platyrhacus C. L. Koch, 1847
- Genus Leucodesmus Cook, 1896 accepted as Platyrhacus C. L. Koch, 1847
- Genus Leurodesmus Cook, 1896 accepted as Platyrhacus C. L. Koch, 1847
- Genus Mniodesmus Cook, 1896
- Genus Nannorrhacus Cook, 1896 accepted as Nanorrhacus Cook, 1896
- Genus Nanorrhacus Cook, 1896 (2)
- Genus Odontodesmus De Saussure, 1860 accepted as Platyrhacus C. L. Koch, 1847
- Genus Phractodesmus Cook, 1896
- Genus Platyrachus C. L. Koch, 1847 accepted as Platyrhacus C. L. Koch, 1847
- Genus Platyrhachus C. L. Koch, 1847 accepted as Platyrhacus C. L. Koch, 1847
- Genus Platyrhacus C. L. Koch, 1847 (38)
- Species Platyrhacus acanthopleurus Hoffman, 1960 accepted as Barydesmus acanthopleurus (Hoffman, 1960)
- Species Platyrhacus acanthosternus Brölemann, 1900 accepted as Barydesmus acanthosternus (Brölemann, 1900)
- Species Platyrhacus acmophorus Chamberlin, 1945 accepted as Clastrorhacus acmophorus (Chamberlin, 1945)
- Species Platyrhacus acompus (Chamberlin, 1941) accepted as Barydesmus acompus (Chamberlin, 1941)
- Species Platyrhacus aequatorialis Brölemann, 1900 accepted as Barydesmus aequinoctius (Attems, 1914)
- Species Platyrhacus aequatorialis (Silvestri, 1897) accepted as Barydesmus aequatorialis Silvestri, 1897
- Species Platyrhacus aequidens Pocock, 1894
- Species Platyrhacus aequinoctius Attems, 1914 accepted as Barydesmus aequinoctius (Attems, 1914)
- Species Platyrhacus affinis (Brölemann, 1919) accepted as Barydesmus affinis (Brölemann, 1919)
- Species Platyrhacus alatus Carl, 1912 accepted as Mastigorhacus alatus (Carl, 1912)
- Species Platyrhacus albomarginis (Chamberlin, 1933) accepted as Tirodesmus fimbriatus (Peters, 1864)
- Species Platyrhacus amauros Attems, 1897
- Species Platyrhacus amblyodon (Attems, 1899) accepted as Erythrhacus amblyodon (Attems, 1899)
- Species Platyrhacus anambasius Attems, 1932 accepted as Acanthodesmus anambasius (Attems, 1932)
- Species Platyrhacus ancylogon Chamberlin, 1920
- Species Platyrhacus andersonii Pocock, 1895
- Species Platyrhacus angulicollis (Pocock, 1897) accepted as Stenoniodes angulicollis Pocock, 1897
- Species Platyrhacus annectens (Humbert & De Saussure, 1869) accepted as Psaphodesmus annectens (Humbert & De Saussure, 1869)
- Species Platyrhacus anthropophagorum Attems, 1914 accepted as Acanthodesmus dorsalis (Silvestri, 1896)
- Species Platyrhacus antius Chamberlin, 1914 accepted as Nyssodesmus antius (Chamberlin, 1914)
- Species Platyrhacus areatus Attems, 1901 accepted as Gigantorhacus pfeifferae (Humbert & Saussure, 1869)
- Species Platyrhacus arietis Carl, 1912 accepted as Erythrhacus arietis (Carl, 1912)
- Species Platyrhacus arrogans Attems, 1932 accepted as Stenoniodes arrogans (Attems, 1932)
- Species Platyrhacus ater (Peters, 1864) accepted as Amplinus ater (Peters, 1864)
- Species Platyrhacus atopogon Chamberlin, 1920 accepted as Zodesmus atopogon (Chamberlin, 1920)
- Species Platyrhacus atratus (Chamberlin, 1947) accepted as Psammodesmus atratus (Chamberlin, 1947)
- Species Platyrhacus attenuatior Chamberlin, 1921 accepted as Acanthodesmus attenuatior (Chamberlin, 1921)
- Species Platyrhacus azulae Kraus, 1956 accepted as Barydesmus azulae (Kraus, 1956)
- Species Platyrhacus bakeri Wang, 1951 accepted as Ilodesmus bakeri (Wang, 1951)
- Species Platyrhacus balsapuertus (Chamberlin, 1941) accepted as Barydesmus balsapuertus (Chamberlin, 1941)
- Species Platyrhacus baramanus Attems, 1897 accepted as Arbelorhacus baramanus (Attems, 1897)
- Species Platyrhacus beauforti Attems, 1914 accepted as Pleorhacus beauforti (Attems, 1914)
- Species Platyrhacus beccarii Silvestri, 1895
- Species Platyrhacus bengitanus Attems, 1932 accepted as Stenoniodes angulicollis Pocock, 1897
- Species Platyrhacus bidens Pocock, 1894
- Species Platyrhacus bifasciatus Silvestri, 1897 accepted as Barydesmus bifasciatus (Silvestri, 1897)
- Species Platyrhacus bifidus Takakuwa, 1942 accepted as Erythrhacus bifidus (Takakuwa, 1942)
- Species Platyrhacus bilineatus (Lucas, 1840) accepted as Polydesmus bilineatus Lucas, 1840
- Species Platyrhacus biolleyi Carl, 1902 accepted as Tirodesmus fimbriatus (Peters, 1864)
- Species Platyrhacus bivirgatus (Carl, 1902) accepted as Nyssodesmus python (Peters, 1864)
- Species Platyrhacus bombonus Chamberlin, 1941 accepted as Barydesmus bombonus (Chamberlin, 1941)
- Species Platyrhacus borealis Golovatch & Nguyen, 2007
- Species Platyrhacus bouvieri Brölemann, 1896
- Species Platyrhacus brandtii (Gervais, 1847) accepted as Polydesmus brandtii Gervais, 1847
- Species Platyrhacus broelemanni Attems, 1914 accepted as Barydesmus broelemanni (Attems, 1914)
- Species Platyrhacus brunnior (Chamberlin, 1941) accepted as Barydesmus brunnior (Chamberlin, 1941)
- Species Platyrhacus cainarachus Chamberlin, 1941 accepted as Psammodesmus cainarachus (Chamberlin, 1941)
- Species Platyrhacus calius Chamberlin, 1952 accepted as Psammodesmus calius (Chamberlin, 1952)
- Species Platyrhacus cancellatus Silvestri, 1895
- Species Platyrhacus castus Silvestri, 1895
- Species Platyrhacus catorii (Pocock, 1897) accepted as Stenoniodes catorii Pocock, 1897
- Species Platyrhacus celinus (Chamberlin, 1941) accepted as Barydesmus celinus (Chamberlin, 1941)
- Species Platyrhacus chapini Hoffman, 1953 accepted as Barydesmus chapini (Hoffman, 1953)
- Species Platyrhacus chuncho Chamberlin, 1941 accepted as Barydesmus chuncho (Chamberlin, 1941)
- Species Platyrhacus clathratus (Gervais, 1847) accepted as Barydesmus clathratus (Gervais, 1847)
- Species Platyrhacus coelebs Carl, 1902 accepted as Trematorhacus coelebs (Carl, 1902)
- Species Platyrhacus complicatus Attems, 1897 accepted as Psaphodesmus concolor (Peters, 1864)
- Species Platyrhacus concolor (Peters, 1864) accepted as Psaphodesmus concolor (Peters, 1864)
- Species Platyrhacus conformatus Chamberlin, 1945 accepted as Pleorhacus conformatus (Chamberlin, 1945)
- Species Platyrhacus conifer Chamberlin, 1945 accepted as Pleorhacus conifer (Chamberlin, 1945)
- Species Platyrhacus contayus Chamberlin, 1941 accepted as Barydesmus contayus (Chamberlin, 1941)
- Species Platyrhacus convexus Silvestri, 1895
- Species Platyrhacus corniculatus Jeekel, 2006
- Species Platyrhacus crassacus Attems, 1914 accepted as Ozorhacus crassacus (Attems, 1914)
- Species Platyrhacus crassipes (Carl, 1909) accepted as Hoplurorhachis crassipes (Carl, 1909)
- Species Platyrhacus creaghii (Pocock, 1897) accepted as Stenoniodes creaghii Pocock, 1897
- Species Platyrhacus cyrtorhabdus Brölemann, 1919 accepted as Barydesmus aequinoctius (Attems, 1914)
- Species Platyrhacus declivus Attems, 1915 accepted as Tessarorhacus declivus (Attems, 1915)
- Species Platyrhacus denticulatus (Leguillou, 1841) accepted as Polydesmus denticulatus Leguillou, 1841
- Species Platyrhacus designatus Attems, 1901 accepted as Gigantorhacus pfeifferae (Humbert & Saussure, 1869)
- Species Platyrhacus discrepans (Pocock, 1897) accepted as Acanthodesmus discrepans (Pocock, 1897)
- Species Platyrhacus dodinga (Cook, 1896) accepted as Psaphodesmus dodinga Cook, 1896
- Species Platyrhacus doormanpadus Chamberlin, 1945 accepted as Zodesmus doormanpadus (Chamberlin, 1945)
- Species Platyrhacus doriae (Silvestri, 1899) accepted as Eutrachyrhachis doriae Silvestri, 1899
- Species Platyrhacus dorsalis Silvestri, 1899 accepted as Acanthodesmus dorsalis (Silvestri, 1896)
- Species Platyrhacus dorsalis (Peters, 1864) accepted as Derodesmus dorsalis (Peters, 1864)
- Species Platyrhacus doryphorus (Attems, 1899) accepted as Haplorhacus doryphorus (Attems, 1899)
- Species Platyrhacus drurii (Gray, 1832) accepted as Rhyphodesmus drurii (Gray, 1832)
- Species Platyrhacus druryi (Newport, 1844) accepted as Rhyphodesmus drurii (Gray, 1832)
- Species Platyrhacus druryi (Gray, 1832) accepted as Rhyphodesmus drurii (Gray, 1832)
- Species Platyrhacus dunalii (Gervais, 1847) accepted as Barydesmus dunalii (Gervais, 1847)
- Species Platyrhacus episemus Attems, 1933 accepted as Gigantorhacus episemus (Attems, 1933)
- Species Platyrhacus ethodus Chamberlin, 1945 accepted as Tessarorhacus ethodus (Chamberlin, 1945)
- Species Platyrhacus everettii (Pocock, 1897) accepted as Hoplurorhachis everettii Pocock, 1897
- Species Platyrhacus fallens (Chamberlin, 1920) accepted as Betarhacus fallens (Chamberlin, 1920)
- Species Platyrhacus faustus (Silvestri, 1895) accepted as Gigantorhacus faustus (Silvestri, 1895)
- Species Platyrhacus fecundus (Carl, 1912) accepted as Sundarhacus fecundus (Carl, 1912)
- Species Platyrhacus flavisternus Pocock, 1894
- Species Platyrhacus fraternus Carl, 1902 accepted as Nyssodesmus fraternus (Carl, 1902)
- Species Platyrhacus fratrellus Chamberlin, 1945 accepted as Zodesmus fratrellus (Chamberlin, 1945)
- Species Platyrhacus funestus Silvestri, 1895
- Species Platyrhacus fuscatus (Chamberlin, 1941) accepted as Barydesmus fuscatus (Chamberlin, 1941)
- Species Platyrhacus fuscus C. L. Koch, 1847
- Species Platyrhacus georgos Attems, 1897
- Species Platyrhacus gestri (Silvestri, 1898) accepted as Tessarorhacus gestri (Silvestri, 1898)
- Species Platyrhacus gonethus Chamberlin, 1920 accepted as Parazodesmus gonethus (Chamberlin, 1920)
- Species Platyrhacus gongylodes Attems, 1899
- Species Platyrhacus gongyloides Attems, 1899 accepted as Platyrhacus gongylodes Attems, 1899
- Species Platyrhacus gracilipes Loomis, 1964 accepted as Barydesmus gracilipes (Loomis, 1964)
- Species Platyrhacus gualaquizensis (Silvestri, 1897) accepted as Barydesmus gualaquizensis Silvestri, 1897
- Species Platyrhacus haplopus (Attems, 1897) accepted as Derodesmus haplopus (Attems, 1897)
- Species Platyrhacus helophorus (Attems, 1899) accepted as Barydesmus helophorus (Attems, 1899)
- Species Platyrhacus hoplurorhachis (Attems, 1899) accepted as Creagronopus hosei (Pocock, 1897)
- Species Platyrhacus hosei (Pocock, 1897) accepted as Creagronopus hosei (Pocock, 1897)
- Species Platyrhacus humberti Pocock, 1894
- Species Platyrhacus inaequalis Silvestri, 1895
- Species Platyrhacus inaequidens Pocock, 1894
- Species Platyrhacus incus Chamberlin, 1941 accepted as Barydesmus incus (Chamberlin, 1941)
- Species Platyrhacus insularis (Humbert & De Saussure, 1869) accepted as Psaphodesmus insularis (Humbert & De Saussure, 1869)
- Species Platyrhacus iquitus (Chamberlin, 1941) accepted as Barydesmus iquitus (Chamberlin, 1941)
- Species Platyrhacus javanus (De Saussure, 1859)
- Species Platyrhacus javarynus Schubart, 1950 accepted as Barydesmus javarynus (Schubart, 1950)
- Species Platyrhacus katantes Attems, 1899 accepted as Ozorhacus dadayi (Silvestri, 1899)
- Species Platyrhacus kelantanicus Sinclair, 1901
- Species Platyrhacus kerri (Cook, 1896) accepted as Barydesmus kerri Cook, 1896
- Species Platyrhacus knudseni Chamberlin, 1958 accepted as Parazodesmus knudseni Chamberlin, 1958
- Species Platyrhacus lamprus Chamberlin, 1921 accepted as Creagronopus lamprus (Chamberlin, 1921)
- Species Platyrhacus laticollis Pocock, 1894
- Species Platyrhacus leucus (Chamberlin, 1941) accepted as Barydesmus leucus (Chamberlin, 1941)
- Species Platyrhacus ligula Brölemann, 1898
- Species Platyrhacus limonensis Attems, 1899 accepted as Nyssodesmus limonensis (Attems, 1899)
- Species Platyrhacus lineatus (Pocock, 1897)
- Species Platyrhacus lobophorus Attems, 1914 accepted as Zodesmus lobophorus (Attems, 1914)
- Species Platyrhacus longispinosus (Silvestri, 1896) accepted as Phyodesmus longispinosus (Silvestri, 1896)
- Species Platyrhacus loretus Chamberlin, 1941 accepted as Barydesmus loretus (Chamberlin, 1941)
- Species Platyrhacus loriae Silvestri, 1895
- Species Platyrhacus luciae Pocock, 1894 accepted as Nanorrhacus luciae (Pocock, 1894)
- Species Platyrhacus macroporus Takakuwa, 1942 accepted as Erythrhacus macroporus (Takakuwa, 1942)
- Species Platyrhacus magnificus Attems, 1933 accepted as Gigantorhacus pfeifferae (Humbert & Saussure, 1869)
- Species Platyrhacus magnificus (Silvestri, 1896) accepted as Phyodesmus magnificus Silvestri, 1896
- Species Platyrhacus malaccanus (Peters, 1864) accepted as Polydesmus malaccanus Peters, 1864
- Species Platyrhacus manserichus Chamberlin, 1941 accepted as Barydesmus manserichus (Chamberlin, 1941)
- Species Platyrhacus margaritatus (Pocock, 1897) accepted as Zodesmus margaritatus (Pocock, 1897)
- Species Platyrhacus margaritiferus (Eydoux & Gervais, 1836) accepted as Ilodesmus margaritiferus (Eydoux & Gervais, 1836)
- Species Platyrhacus marginellus Silvestri, 1895
- Species Platyrhacus mecheli Carl, 1902 accepted as Kainorhacus mecheli (Carl, 1902)
- Species Platyrhacus mediotaeniatus Attems, 1915 accepted as Pleorhacus mediotaeniatus (Attems, 1915)
- Species Platyrhacus medius (Chamberlin, 1941) accepted as Barydesmus medius (Chamberlin, 1941)
- Species Platyrhacus mexicanus Attems, 1899 accepted as Barydesmus broelemanni (Attems, 1914)
- Species Platyrhacus mexicanus Lucas, 1840 accepted as Polydesmus mexicanus Lucas, 1840
- Species Platyrhacus microporus Attems, 1932 accepted as Trematorhacus coelebs (Carl, 1902)
- Species Platyrhacus mimus Chamberlin, 1920 accepted as Diodontodesmus mimus (Chamberlin, 1920)
- Species Platyrhacus mindanaonus Wang, 1951
- Species Platyrhacus mirandus (Pocock, 1894) accepted as Gigantorhacus mirandus (Pocock, 1894)
- Species Platyrhacus modestior Attems, 1936 accepted as Platyrhacus bouvieri Brölemann, 1896
- Species Platyrhacus modestus Carl, 1902
- Species Platyrhacus modiglianii Silvestri, 1895
- Species Platyrhacus moebiusi Attems, 1899 accepted as Platyrhacus andersonii Pocock, 1895
- Species Platyrhacus moluccensis (Peters, 1864) accepted as Polylepis moluccensis (Peters, 1864)
- Species Platyrhacus monticola Pocock, 1894
- Species Platyrhacus montivagus Carl, 1902 accepted as Nyssodesmus montivagus (Carl, 1902)
- Species Platyrhacus mortoni Carl, 1909 accepted as Acanthodesmus mortoni (Carl, 1909)
- Species Platyrhacus nicaraguanus (Chamberlin, 1922) accepted as Nyssodesmus nicaraguanus Chamberlin, 1922
- Species Platyrhacus notatus Attems, 1914 accepted as Pleorhacus notatus (Attems, 1914)
- Species Platyrhacus obscurus Kraus, 1955 accepted as Barydesmus obscurus (Kraus, 1955)
- Species Platyrhacus orellanus (Chamberlin, 1941) accepted as Barydesmus orellanus (Chamberlin, 1941)
- Species Platyrhacus paliger Attems, 1915 accepted as Tessarorhacus paliger (Attems, 1915)
- Species Platyrhacus papuanus Attems, 1914 accepted as Pleorhacus papuanus (Attems, 1914)
- Species Platyrhacus parabates Chamberlin, 1945
- Species Platyrhacus parazodesmus Attems, 1914 accepted as Parazodesmus verrucosus Pocock, 1898
- Species Platyrhacus penicillatus Attems, 1914 accepted as Graphirhacus penicillatus (Attems, 1914)
- Species Platyrhacus perakensis (Pocock, 1897)
- Species Platyrhacus pergranulatus (Silvestri, 1897) accepted as Acisternum pergranulatum Silvestri, 1897
- Species Platyrhacus pergranulosus Silvestri, 1895 accepted as Acerhacus pergranulosus (Silvestri, 1895)
- Species Platyrhacus permirabilis (Silvestri, 1895) accepted as Gigantorhacus mirandus (Pocock, 1894)
- Species Platyrhacus petersii (Pocock, 1897)
- Species Platyrhacus pfeifferae (Humbert & Saussure, 1869) accepted as Gigantorhacus pfeifferae (Humbert & Saussure, 1869)
- Species Platyrhacus philippinorum Chamberlin, 1921 accepted as Ilodesmus margaritiferus (Eydoux & Gervais, 1836)
- Species Platyrhacus picteti (Silvestri, 1899) accepted as Acanthodesmus picteti (Silvestri, 1899)
- Species Platyrhacus pictus (Peters, 1864) accepted as Phyodesmus pictus (Peters, 1864)
- Species Platyrhacus pilipes (Peters, 1864) accepted as Acanthodesmus pilipes (Peters, 1864)
- Species Platyrhacus pinangensis (Pocock, 1897)
- Species Platyrhacus plakodonotus Attems, 1897 accepted as Eurydirorhachis plakodonotus (Attems, 1897)
- Species Platyrhacus pococki Brölemann, 1911 accepted as Barydesmus pococki (Brölemann, 1911)
- Species Platyrhacus postumus Attems, 1933 accepted as Erythrhacus postumus (Attems, 1934)
- Species Platyrhacus princeps (Gervais, 1847) accepted as Gigantorhacus princeps (Gervais, 1847)
- Species Platyrhacus principalis Attems, 1932 accepted as Zodesmus principalis (Attems, 1932)
- Species Platyrhacus propinquus Carl, 1902 accepted as Barydesmus propinquus (Carl, 1902)
- Species Platyrhacus proximatus Silvestri, 1895
- Species Platyrhacus punctatus (Peters, 1864) accepted as Polydesmus punctatus Peters, 1864
- Species Platyrhacus quincuplex Attems, 1914 accepted as Parazodesmus quincuplex (Attems, 1914)
- Species Platyrhacus relaxus Chamberlin, 1945
- Species Platyrhacus remotiporus Attems, 1932 accepted as Tessarorhacus remotiporus (Attems, 1932)
- Species Platyrhacus repandus Silvestri, 1895
- Species Platyrhacus retentus Chamberlin, 1941 accepted as Barydesmus retentus (Chamberlin, 1941)
- Species Platyrhacus ridley (Pocock, 1897) accepted as Phractodesmus ridleyi Pocock, 1897
- Species Platyrhacus rimosus Attems, 1915 accepted as Pleorhacus rimosus (Attems, 1915)
- Species Platyrhacus riparius Carl, 1902 accepted as Barydesmus riparius (Carl, 1902)
- Species Platyrhacus rufipes C. L. Koch, 1847 accepted as Barydesmus rufipes (C. L. Koch, 1847)
- Species Platyrhacus sanguineus (Pocock, 1897) accepted as Erythrhacus sanguineus (Pocock, 1897)
- Species Platyrhacus sarasinorum (Carl, 1912) accepted as Erythrhacus sarasinorum (Carl, 1912)
- Species Platyrhacus scaber (Perty, 1833) accepted as Polydesmus scaber Perty, 1833
- Species Platyrhacus scaber C. L. Koch, 1847 accepted as Barydesmus scaber (C. L. Koch, 1847)
- Species Platyrhacus schetelyi (Karsch, 1881) accepted as Derodesmus schetelyi (Karsch, 1881)
- Species Platyrhacus scutatus (Peters, 1864) accepted as Phyodesmus scutatus (Peters, 1864)
- Species Platyrhacus sibutensis (Pocock, 1897) accepted as Stenoniodes sibutensis Pocock, 1897
- Species Platyrhacus similis Golovatch & Nguyen, 2007
- Species Platyrhacus simplex Chamberlin, 1921
- Species Platyrhacus singulus Attems, 1932
- Species Platyrhacus socius Chamberlin, 1941 accepted as Barydesmus socius (Chamberlin, 1941)
- Species Platyrhacus stenopterus Brölemann, 1905 accepted as Barydesmus stenopterus (Brölemann, 1905)
- Species Platyrhacus sternotrichus Attems, 1932 accepted as Zodesmus sternotrichus (Attems, 1932)
- Species Platyrhacus strenuus Silvestri, 1897 accepted as Barydesmus strenuus (Silvestri, 1897)
- Species Platyrhacus subalbus Pocock, 1894
- Species Platyrhacus sublimbatus (Silvestri, 1897) accepted as Phyodesmus sublimbatus Silvestri, 1897
- Species Platyrhacus submissus Pocock, 1894
- Species Platyrhacus subspinosus Pocock, 1894 accepted as Cradodesmus subspinosus (Pocock, 1894)
- Species Platyrhacus subvittatus (Peters, 1864) accepted as Phractodesmus subvittatus (Peters, 1864)
- Species Platyrhacus sucidus Attems, 1932 accepted as Sabarhacus sucidus (Attems, 1932)
- Species Platyrhacus sumatranus (Peters, 1864) accepted as Polydesmus sumatranus Peters, 1864
- Species Platyrhacus superbus Attems, 1931
- Species Platyrhacus tampocus (Chamberlin, 1952) accepted as Barydesmus tambonus (Chamberlin, 1952)
- Species Platyrhacus tapichus (Chamberlin, 1941) accepted as Barydesmus tapichus (Chamberlin, 1941)
- Species Platyrhacus tenebrosus (Silvestri, 1898) accepted as Barydesmus tenebrosus Silvestri, 1898
- Species Platyrhacus terreus Fanzago, 1875 accepted as Atractosoma meridionale Fanzago, 1876
- Species Platyrhacus tetanotropis (Attems, 1899) accepted as Erythrhacus tetanotropis (Attems, 1899)
- Species Platyrhacus trichopygus Chamberlin, 1941 accepted as Barydesmus trichotypus (Chamberlin, 1941)
- Species Platyrhacus trichotypus Chamberlin, 1941 accepted as Barydesmus trichotypus (Chamberlin, 1941)
- Species Platyrhacus tristani Pocock, 1910 accepted as Nyssodesmus tristani (Pocock, 1910)
- Subspecies Platyrhacus tristani antius Chamberlin, 1914 accepted as Nyssodesmus antius (Chamberlin, 1914)
- Species Platyrhacus tristis Silvestri, 1895
- Species Platyrhacus tuberculifer Jeekel, 2006
- Species Platyrhacus tuberosus (Pocock, 1893) accepted as Zodesmus tuberosus (Pocock, 1893)
- Species Platyrhacus venezuelanus Brölemann, 1898 accepted as Platyrhacus venezuelianus Brölemann, 1898
- Species Platyrhacus venezuelianus Brölemann, 1898
- Species Platyrhacus verrucosus Pocock, 1894
- Species Platyrhacus vicinus (Carl, 1918) accepted as Pleorhacus vicinus (Carl, 1918)
- Species Platyrhacus victoriae (Pocock, 1897) accepted as Zodesmus victoriae (Pocock, 1897)
- Species Platyrhacus vittatus (Pocock, 1897) accepted as Phyodesmus scutatus (Peters, 1864)
- Species Platyrhacus weberi Pocock, 1894
- Species Platyrhacus woodfordi (Pocock, 1897) accepted as Diodontodesmus woodfordi Pocock, 1897
- Species Platyrhacus xanthopus Pocock, 1894
- Species Platyrhacus zonatus Carl, 1912 accepted as Mastigorhacus zonatus (Carl, 1912)
- Species Platyrhacus zygethus Chamberlin, 1941 accepted as Barydesmus zygethus (Chamberlin, 1941)
- Genus Platyrrhachus Pocock, 1895 accepted as Platyrhacus C. L. Koch, 1847 (1)
- Genus Platyrrhacus C. L. Koch, 1847 accepted as Platyrhacus C. L. Koch, 1847
- Genus Prodesmus Cook, 1896 accepted as Platyrhacus C. L. Koch, 1847
- Genus Rhyphodesmus Cook, 1896 (1)
- Genus Stenoniodes Pocock, 1897 (6)
- Genus Trematorhacus Jeekel, 2007 (1)
- Tribe Polydesmorhachini Hoffman, 1980 accepted as Polydesmorhachinae Hoffman, 1980
- Tribe Psammodesmini Hoffman, 1960 accepted as Psammodesminae Hoffman, 1960
- Tribe Psaphodesmini Cook, 1896 accepted as Psaphodesminae Cook, 1896
- Tribe Taphodesmini Cook, 1896 accepted as Taphodesminae Cook, 1896
- Genus Amnestorhacus Hoffman & Martínez-Torres, 2012 (1)
- Genus Angustinus Attems, 1898 accepted as Polylepis Bollman, 1893
- Genus Dynesmus Chamberlin, 1941 accepted as Barydesmus Cook, 1896
- Genus Haplorhacus Attems, 1914
- Genus Kainorhacus Jeekel, 2007 (1)
- Genus Pachyurus Humbert & De Saussure, 1869 accepted as Polylepis Bollman, 1893
- Genus Polyleporella Attems, 1938 accepted as Polylepis Bollman, 1893
- Genus Proaspis Loomis, 1941 (1)
- Genus Taphodesmus Cook, 1896 accepted as Polylepis Bollman, 1893
- Genus Xerodesmus Cook, 1896
- Subfamily Polydesmorhachinae Hoffman, 1980 (4)
- Subfamily Psammodesminae Hoffman, 1960 (11)
- Subfamily Psaphodesminae Cook, 1896 (44)
- Subfamily Taphodesminae Cook, 1896 (5)
- Genus Hoffmanorhacus Shelley & Martínez-Torres, 2013 (1)
- Superfamily Rhachodesmoidea Carl, 1903 (73)
- Superfamily Sphaeriodesmoidea Humbert & De Saussure, 1869 (109)
- Superfamily Xystodesmoidea Cook, 1895 (924)
- 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)
