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)
- Genus Anfractogon Hoffman, 1948 accepted as Brachoria Chamberlin, 1939
- Genus Apheloria Chamberlin, 1921 (7)
- Genus Appalachioria Marek & Bond, 2006 (11)
- Genus Brachoria Chamberlin, 1939 (39)
- Genus Brevigonus Shelley, 1980 accepted as Sigmoria Chamberlin, 1939
- Genus Cheiropus Loomis, 1944 accepted as Sigmoria Chamberlin, 1939
- Genus Cleptoria Chamberlin, 1939 accepted as Sigmoria Chamberlin, 1939 (3)
- Genus Croatania Shelley, 1977 accepted as Sigmoria Chamberlin, 1939 (1)
- Genus Daphnedesmus Marek, Means & Hennen, 2021 (3)
- Genus Deltotaria Causey, 1942 (4)
- Genus Dixioria Chamberlin, 1947 accepted as Sigmoria Chamberlin, 1939 (6)
- Genus Dynoria Chamberlin, 1939 accepted as Sigmoria Chamberlin, 1939 (2)
- Genus Falloria Hoffman, 1948 accepted as Sigmoria Chamberlin, 1939 (16)
- Genus Furcillaria Shelley, 1981 accepted as Sigmoria Chamberlin, 1939 (3)
- Genus Hubroria Keeton, 1960 accepted as Sigmoria Chamberlin, 1939
- Genus Leptocircus Attems, 1931 accepted as Apheloria Chamberlin, 1921
- Genus Lyrranea Hoffman, 1963 accepted as Sigmoria Chamberlin, 1939
- Genus Phanoria Chamberlin, 1949 accepted as Deltotaria Causey, 1942
- Genus Prionogonus Shelley, 1982 accepted as Sigmoria Chamberlin, 1939 (3)
- Genus Rudiloria Causey, 1955 (7)
- Genus Sigiria Chamberlin, 1939 accepted as Sigmoria Chamberlin, 1939
- Genus Sigmoria Chamberlin, 1939 (62)
- Species Sigmoria abbotti (Hoffman, 1967) accepted as Cleptoria abbotti Hoffman, 1967
- Species Sigmoria abbreviata Shelley, 1986 accepted as Falloria abbreviata (Shelley, 1986)
- Species Sigmoria aberrans Chamberlin, 1939 accepted as Sigmoria latior (Brölemann, 1900)
- Species Sigmoria acuminata (Hoffman, 1956)
- Species Sigmoria aequalis (Shelley, 1981)
- Species Sigmoria agrestis (Loomis, 1944)
- Species Sigmoria ainsliei (Chamberlin, 1921)
- Species Sigmoria angulosa Shelley, 1981
- Species Sigmoria aphelorioides Shelley, 1986
- Species Sigmoria arcuata (Shelley, 1982)
- Species Sigmoria areolata Shelley, 1981
- Species Sigmoria australis Shelley, 1986
- Species Sigmoria austrimontis Shelley, 1981
- Species Sigmoria beameri Marek, Means & Hennen, 2021
- Species Sigmoria bidens (Causey, 1942)
- Species Sigmoria bipraesidens (Hoffman, 1967) accepted as Cleptoria bipraesidens Hoffman, 1967
- Species Sigmoria brachygon Chamberlin, 1940 accepted as Sigmoria munda Chamberlin, 1939
- Species Sigmoria brooksi Hoffman, 1956
- Species Sigmoria catawba (Shelley, 1977)
- Species Sigmoria conclusa Chamberlin, 1939 accepted as Sigmoria latior (Brölemann, 1900)
- Species Sigmoria convoluta (Shelley, 1981) accepted as Furcillaria convoluta Shelley, 1981
- Species Sigmoria coronata (Hoffman, 1949) accepted as Dixioria pela coronata (Hoffman, 1949)
- Species Sigmoria crassicurvosa Shelley, 1986
- Species Sigmoria dactylifera Hoffman, 1956 accepted as Daphnedesmus dactylifera (Hoffman, 1956)
- Species Sigmoria disjuncta Shelley, 1981
- Species Sigmoria divaricata (Shelley, 1982)
- Species Sigmoria divergens Chamberlin, 1939
- Species Sigmoria forficata Shelley, 1986 accepted as Falloria forficata (Shelley, 1986)
- Species Sigmoria fumimontis Shelley, 1981
- Species Sigmoria furcifera Hoffman, 1949 accepted as Sigmoria latior (Brölemann, 1900)
- Species Sigmoria gracilipes Chamberlin, 1947 accepted as Brachoria gracilipes (Chamberlin, 1947)
- Species Sigmoria guyandotta (Shear, 1972) accepted as Rudiloria guyandotta (Shear, 1972)
- Species Sigmoria haerens Shelley, 1982
- Species Sigmoria hoffmani Shelley, 1976
- Species Sigmoria houstoni Chamberlin, 1943
- Species Sigmoria icana (Chamberlin, 1939)
- Species Sigmoria inornata Shelley, 1981
- Species Sigmoria intermedia (Hoffman, 1948)
- Species Sigmoria laminata (Shelley, 1981)
- Species Sigmoria laticurvosa Shelley, 1981
- Species Sigmoria latior (Brölemann, 1900)
- Species Sigmoria leucostriata Shelley, 1981
- Species Sigmoria lyrea Shelley, 1981
- Species Sigmoria macra (Chamberlin, 1939)
- Species Sigmoria mariona Chamberlin, 1939 accepted as Sigmoria munda Chamberlin, 1939
- Species Sigmoria mimetica (Chamberlin, 1918)
- Species Sigmoria mohicana (Causey, 1955) accepted as Rudiloria mohicana Causey, 1955
- Species Sigmoria mohincana (Causey, 1955) accepted as Rudiloria mohicana Causey, 1955
- Species Sigmoria munda Chamberlin, 1939
- Species Sigmoria nantahalae Hoffman, 1958
- Species Sigmoria nigrescens Hoffman, 1950 accepted as Sigmoria divergens Chamberlin, 1939
- Species Sigmoria nigrimontis (Chamberlin, 1947)
- Species Sigmoria pela (Chamberlin, 1918)
- Species Sigmoria pendula Shelley, 1986
- Species Sigmoria persica (Hoffman, 1963)
- Species Sigmoria picapa (Keeton, 1960)
- Species Sigmoria plancus (Loomis, 1944)
- Species Sigmoria prolata Shelley, 1986
- Species Sigmoria quadrata Shelley, 1981
- Species Sigmoria rigida Shelley, 1986 accepted as Rudiloria rigida (Shelley, 1986)
- Species Sigmoria rileyi (Bollman, 1889)
- Species Sigmoria robusta Shelley, 1986
- Species Sigmoria rubromarginata (Bollman, 1887)
- Subspecies Sigmoria rubromarginata austrimontis Shelley, 1981
- Subspecies Sigmoria rubromarginata rubromarginata (Bollman, 1888) accepted as Sigmoria rubromarginata (Bollman, 1887)
- Species Sigmoria saluda (Shelley, 1977)
- Species Sigmoria serrata (Shelley, 1984)
- Species Sigmoria shelfordi (Loomis, 1944)
- Species Sigmoria sigirioides Shelley, 1981
- Species Sigmoria simplex Shelley, 1981
- Species Sigmoria stenogon Chamberlin, 1942
- Species Sigmoria stenoloba Shelley, 1981
- Species Sigmoria stibarophalla Shelley, 1981
- Species Sigmoria translineata Shelley, 1981
- Species Sigmoria triangulata Shelley, 1981
- Species Sigmoria trimaculata (Wood, 1864) accepted as Rudiloria trimaculata (Wood, 1864)
- Species Sigmoria truncata Shelley, 1981
- Species Sigmoria tuberosa Shelley, 1981
- Species Sigmoria unicoi Shelley, 1981
- Species Sigmoria watauga Shelley, 1986
- Species Sigmoria whiteheadi Shelley, 1986 accepted as Apheloria whiteheadi (Shelley, 1986)
- Species Sigmoria wrighti (Hoffman, 1956)
- Species Sigmoria xerophylla Shelley, 1981
- Species Sigmoria yemassee (Shelley, 1977)
- Species Sigmoria zyga Chamberlin, 1949 accepted as Sigmoria rubromarginata (Bollman, 1887)
- Genus Stelgipus Loomis, 1944 accepted as Sigmoria Chamberlin, 1939
- Genus Tucoria Chamberlin, 1943 accepted as Brachoria Chamberlin, 1939
- Tribe Eurymerodesmini Causey, 1951 (28)
- 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)
