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)
- Subclass Penicillata (161)
- Order Polyxenida (161)
- Superfamily Polyxenoidea Lucas, 1840 (148)
- Family Hypogexenidae Schubart, 1947 accepted as Hypogexeninae Schubart, 1947
- Family Lophoproctidae Silvestri, 1897 (43)
- Family Pollyxenidae Lucas, 1840 accepted as Polyxenidae Lucas, 1840
- Family Polyxenidae Lucas, 1840 (105)
- Subfamily Hypogexeninae Schubart, 1947 (1)
- Subfamily Macroxeninae Condé, 2008 (15)
- Subfamily Monographinae Condé, 2008 (45)
- Genus Anopsxenus Condé & Jacquemin, 1963 (2)
- Genus Eudigraphis Silvestri, 1948 (6)
- Genus Mauritixenus Verhoeff, 1939 (7)
- Genus Miopsxenus Condé, 1951 (2)
- Genus Monographis Attems, 1907 (9)
- Genus Pauropsxenus Silvestri, 1948 (3)
- Genus Saroxenus Cook, 1896 (4)
- Genus Silvestrus Jones, 1937 (3)
- Genus Unixenus Jones, 1944 (9)
- Species Unixenus attemsi Jacquemin-Nguyen Duy & Condé, 1967
- Species Unixenus broelemanni (Condé & Jacquemin, 1962)
- Species Unixenus corticolus Short & Huynh, 2011
- Species Unixenus karajinensis Short & Huynh, 2011
- Species Unixenus mjoebergi (Verhoeff, 1924)
- Species Unixenus moniquea Huynh & Veenstra, 2020 accepted as Unixenus moniqueae Huynh & Veenstra, 2020
- Species Unixenus moniqueae Huynh & Veenstra, 2020
- Species Unixenus mossmanus Huynh & Veenstra, 2021
- Species Unixenus padmanabhii (Jones, 1937)
- Species Unixenus vuillaumei (Condé & Terver, 1963)
- Subfamily Polyxeninae Lucas, 1840 (39)
- Genus Allographis Silvestri, 1948 accepted as Monographis Attems, 1907
- Genus Ankistroxenus Attems, 1907 (2)
- Genus Apoxenus Chamberlin, 1947 (1)
- Genus Electroxenus Jacquemin-Nguyen Duy & Azar, 2004 †
- Genus Japonixenus Ishii & Tamura, 1995 accepted as Polyxenus Latzel, 1884
- Genus Libanoxenus Jacquemin-Nguyen Duy & Azar, 2004 †
- Genus Mesoxenotus Silvestri, 1948 (1)
- Genus Monoxenus Jones, 1937 accepted as Unixenus Jones, 1944
- Genus Pollyxenus Latreille, 1802 accepted as Polyxenus Latzel, 1884
- Genus Polyxenella Rajulu, 1963 (1)
- Genus Silvestrius [sic] accepted as Silvestrus Jones, 1937
- Genus Unixenis accepted as Unixenus Jones, 1944
- Superfamily Synxenoidea Silvestri, 1923 (13)
- Class Euthycarcinoidea †
- Class Pauropoda (534)
- Class Symphyla (103)
