Arrenuridae
Arrenurus (Arrenurus) abbreviator Berlese, 1888
Arrenurus (Arrenurus) absurdus Wainstein & Tuzovskij, 1971
Arrenurus (Arrenurus) acuarius Lundblad, 1956
Arrenurus acuminatus Mullen
Arrenurus acutipetiolatus Smit
Arrenurus acutus (Marshall, 1908)
Arrenurus affinis Koenike, 1887
Arrenurus albator (Müller, 1776)
Arrenurus americanus Marshall, 1908
Arrenurus amplus Marshall, 1908
Arrenurus anbangbang Smit, 1997
Arrenurus (Arrenurus) ancoriferus Walter, 1928
Arrenurus (Arrenurus) angelieri Cassagne-Mejean, 1966
Arrenurus (Arrenurus) angulifer K. H. Viets, 1930
Arrenurus apetiolatus (Piersig, 1904)
Arrenurus aphelocercus Lavers, 1945
Arrenurus apopkensis Cook, 1976
Arrenurus auricularis Lavers, 1945
Arrenurus auris Lavers, 1945
Arrenurus australicus Lundblad, 1941
Arrenurus (Megaluracarus) autochthonus Lundblad, 1941
Arrenurus (Megaluracarus) autumnalis Wainstein & Tuzovskij, 1974
Arrenurus balladoniensis Halik, 1940
Arrenurus bartonensis Cook, 1954
Arrenurus batillifer Koenike, 1896
Arrenurus (Megaluracarus) bavaricus K. O. Viets, 1955
Arrenurus (Arrenurus) beklemischevi Wainstein & Tuzovskij, 1971
Arrenurus belonocercus Lavers, 1945
Arrenurus (Arrenurus) berolinensis Protz, 1896
Arrenurus bicaudatus (Marshall, 1908)
Arrenurus bicuspidator Berlese, 1885
Arrenurus bifidicodulus Piersig, 1897
Arrenurus (Micruracarus) bipapillosus Halbert, 1911
Arrenurus birgei (Marshall, 1903)
Arrenurus biscissus Lebert, 1879
Arrenurus (Micruracarus) bisulcicodulus Piersig, 1892
Arrenurus bleptoptiolatus Cook, 1954
Arrenurus boruzkii Ssujetow, 1931
Arrenurus (Micruracarus) britannorum K. H. Viets, 1930
Arrenurus (Arrenurus) brunsvicensis K. H. Viets, 1936
Arrenurus bruzelii Koenike, 1885
Arrenurus buccinator (Müller, 1776)
Arrenurus caeruleus Smit, 1997
Arrenurus (Micruracarus) caesaraugustanus K. H. Viets, 1930
Arrenurus capillatus (Marshall, 1908)
Arrenurus cardiacus (Marshall, 1903)
Arrenurus cascadensis Lavers, 1945
Arrenurus (Truncaturus) castaneus Neuman, 1880
Arrenurus cheboyganansis Cook, 1955
Arrenurus cheetus Cook, 1986
Arrenurus clavatus Smit, 1996
Arrenurus claviger Koenike, 1885
Arrenurus compactilis Marshall, 1908
Arrenurus compactus Piersig, 1894
Arrenurus (Megaluracarus) conicus Piersig, 1894
Arrenurus (Arrenurus) contextus Wainstein & Tuzovskij, 1971
Arrenurus cornicularis (Marshall, 1908)
Arrenurus coronator Thor, 1900
Arrenurus (Truncaturus) corsicus (E. Angelier, 1951)
Arrenurus couleensis Lavers, 1945
Arrenurus crassicaudatus Kramer, 1875
Arrenurus (Arrenurus) crenatus Koenike, 1896
Arrenurus crenellatus (Marshall, 1908)
Arrenurus (Arrenurus) curvilaminatus K. H. Viets, 1930
Arrenurus cuspidator (Müller, 1776)
Arrenurus cuspidifer Piersig, 1894
Arrenurus cylindratus Piersig, 1896
Arrenurus danbyensis Mullen
Arrenurus (Arrenurus) denticulatus Motas, 1927
Arrenurus dentipetiolatus Marshall, 1908
Arrenurus (Micruracarus) detruncatus C. Angelier & E. Angelier, 1953
Arrenurus dinotoformis Cook, 1954
Arrenurus (Arrenurus) distans Walter, 1927
Arrenurus (Micruracarus) dorieri Motas & Angelier, 1967
Arrenurus drepanophorus Cook, 1954
Arrenurus (Arrenurus) dudichi Tyahun, 1970
Arrenurus duursemai Smit, 1996
Arrenurus (Arrenurus) edentator Berlese, 1889
Arrenurus elevatus (Marshall, 1914)
Arrenurus elongatus (Marshall, 1924)
Arrenurus errinundra Harvey
Arrenurus expansa (Marshall, 1908)
Arrenurus falcicaudatus Wilson, 1959
Arrenurus falcicornis Marshall, 1908
Arrenurus falciger Viets, 1908
Arrenurus (Megaluracarus) fasciolatus K. H. Viets, 1933
Arrenurus fimbriatus Koenike, 1885
Arrenurus fissicorniformis Cook, 1954
Arrenurus fissicornis Marshall, 1908
Arrenurus fissipetiolatus Lundblad, 1947
Arrenurus flabellifer Marshall, 1908
Arrenurus fontinalis Viets, 1920
Arrenurus forpicatoides Lundblad, 1941
Arrenurus forpicatus Neuman, 1880
Arrenurus (Arrenurus) furciger K. H. Viets, 1935
Arrenurus furcillatus Viets, 1930
Arrenurus (Arrenurus) fuscatus Walter, 1910
Arrenurus garmanyorum Habeeb, 1957
Arrenurus geminus George, 1901
Arrenurus gennadus Cook, 1954
Arrenurus gereckei Smit, 1997
Arrenurus gilvus Smit, 1997
Arrenurus globator (Müller, 1776)
Arrenurus (Arrenurus) gomerae Lundblad, 1962
Arrenurus gracilipes Piersig, 1906
Arrenurus (Arrenurus) gradilaminatus K. H. Viets, 1930
Arrenurus (Truncaturus) haplurus K. H. Viets, 1925
Arrenurus harpagopalpus Walter, 1929
Arrenurus harveyi Smit, 1997
Arrenurus haswelli Cook, 1986
Arrenurus hiatocaudatus Cook, 1955
Arrenurus hovus Cook, 1976
Arrenurus hungerfordi Cook, 1954
Arrenurus hybridus Smit
Arrenurus (Arrenurus) iassiensis Motas, 1940
Arrenurus inexploratus Viets, 1930
Arrenurus (Megaluracarus) inflexus Bader, 1955
Arrenurus (Megaluracarus) informis K. H. Viets, 1920
Arrenurus infundibularis (Marshall, 1908)
Arrenurus (Arrenurus) initiator Wainstein & Tuzowski, 1971
Arrenurus integrator (Müller, 1776)
Arrenurus interpositus Koenike, 1895
Arrenurus (Arrenurus) interruptus K. H. Viets, 1919
Arrenurus invaginatus Lavers, 1945
Arrenurus (Micruracarus) karelicus Sokolow, 1926
Arrenurus (Arrenurus) karlvietsi Szalay, 1953
Arrenurus kenki Marshall, 1944
Arrenurus kincaidi Lavers, 1945
Arrenurus kitchingi Smith & Harvey
Arrenurus (Arrenurus) kjerrmanni Neuman, 1880
Arrenurus knauthei Koenike, 1895
Arrenurus krameri (Koenike, 1895)
Arrenurus (Arrenurus) krendowskii Piersig, 1896
Arrenurus lacrimatus Cook, 1955
Arrenurus lacus Stout, 1953
Arrenurus (Megaluracarus) lapponicus Lundblad, 1924
Arrenurus laticaudatus (Marshall, 1908)
Arrenurus laticornis Marshall, 1908
Arrenurus (Megaluracarus) latigenitalis Lundblad, 1956
Arrenurus latus Barrois & Moniez, 1887
Arrenurus lautus Koeenike, 1895
Arrenurus laversi Marshall, 1944
Arrenurus leuckarti Piersig, 1894
Arrenurus liliaceus Smit, 1997
Arrenurus lohmanni Piersig, 1898
Arrenurus longicaudatus (Marshall, 1908)
Arrenurus longipetiolatus Smit, 1996
Arrenurus (Arrenurus) longispinus K. H. Viets, 1926
Arrenurus (Micruracarus) longiusculus George, 1904
Arrenurus lyriger (Marshall, 1908)
Arrenurus maculator (Müller, 1776)
Arrenurus magnicaudatus Marshall, 1908
Arrenurus mamillanus (Marshall, 1908)
Arrenurus mantonensis Smit, 1997
Arrenurus manubriator (Marshall, 1903)
Arrenurus margatellus Cook, 1986
Arrenurus marshallae (Piersig, 1904)
Arrenurus maryellenae Cook, 1954
Arrenurus (Arrenurus) mathiasi Cassagne-Mejean, 1966
Arrenurus mediorotundatus Thor, 1898
Arrenurus (Arrenurus) mediterraneus Lundblad, 1954
Arrenurus megalurus (Marshall, 1903)
Arrenurus (Megaluracarus) membranator Thor, 1901
Arrenurus montifer (Marshall, 1908)
Arrenurus morrisoni (Marshall, 1904)
Arrenurus muelleri Koenike, 1901
Arrenurus (Arrenurus) muenchbergi K. O. Viets, 1964
Arrenurus (Megaluracarus) mustus Wainstein & Tuzovskij, 1974
Arrenurus muttkowskii Marshall, 1940
Arrenurus nagysalloensis Szalay, 1934
Arrenurus neobirgei Cook, 1954
Arrenurus neomamillanus Cook, 1954
Arrenurus neosuperior Cook, 1954
Arrenurus neumani Piersig, 1895
Arrenurus (Micruracarus) nikitskii (Tuzovskij, 1978)
Arrenurus nobilis Neuman, 1880
Arrenurus nodosus Koenike, 1896
Arrenurus novaehollandiae Lundblad, 1947
Arrenurus novus George, 1884
Arrenurus (Truncaturus) oblongus Piersig, 1893
Arrenurus octagonus Halbert, 1906
Arrenurus ornatus George, 1900
Arrenurus (Arrenurus) ortali Smit, 2000
Arrenurus otodus Cook, 1986
Arrenurus palustris Mullen
Arrenurus papillator (Müller, 1776)
Arrenurus parallellatus (Marshall, 1908)
Arrenurus perforatus George, 1881
Arrenurus perplexus Smit
Arrenurus pinguisomus Cook, 1954
Arrenurus pistillatus Marshall, 1908
Arrenurus planus Marshall, 1908
Arrenurus platyrotundocuspidator Munchberg, 1951
Arrenurus pleopetiolatus Marshall, 1944
Arrenurus pollictus Marshall, 1910
Arrenurus (Truncaturus) primitivus Thor, 1922
Arrenurus problecornis Cook, 1976
Arrenurus prominulus (Marshall, 1908)
Arrenurus pseudoaffinis Piersig, 1906
Arrenurus pseudoaphelocercus Wilson, 1959
Arrenurus pseudocaudatus (Piersig, 1905)
Arrenurus pseudocylindratus (Piersig, 1904)
Arrenurus pseudosetiger (Marshall, 1921)
Arrenurus pseudosuperior Cook, 1954
Arrenurus psuudoconicus (Piersig, 1905)
Arrenurus (Micruracarus) pugionifer Koenike, 1908
Arrenurus purpureus Smit, 1997
Arrenurus pustulator (Müller, 1776)
Arrenurus (Micruracarus) pygmaeus E. Angelier, 1954
Arrenurus (Arrenurus) pyrenaeus Angelier & E. Angelier, 1951
Arrenurus (Arrenurus) pyriformis George, 1903
Arrenurus queenslandicus Smit
Arrenurus radiatus Piersig, 1894
Arrenurus rawsoni (Marshall, 1919)
Arrenurus (Arrenurus) rectilaminatus K. H. Viets, 1930
Arrenurus reflexus Marshall, 1908
Arrenurus (Arrenurus) refractariolus Biesiadka, 1978
Arrenurus (Truncaturus) regulator Thor, 1899
Arrenurus retangularis (Marshall, 1908)
Arrenurus rheophilous Lavers, 1945
Arrenurus robustus Koenike, 1894
Arrenurus (Arrenurus) rodrigensis Lundblad, 1954
Arrenurus roobeeki Smit, 1992
Arrenurus rostratus
Arrenurus rotoensis Stout, 1953
Arrenurus rotundus (Marshall, 1908)
Arrenurus rouxi Walter, 1915
Arrenurus rufopyriformis Habeeb, 1954
Arrenurus schuckardi Smit, 1996
Arrenurus (Megaluracarus) scourfieldi Soar, 1913
Arrenurus sculptus Halbert, 1903
Arrenurus scutulatus (Marshall, 1908)
Arrenurus scutuliformis (Marshall, 1908)
Arrenurus (Arrenurus) securifer K. H. Viets, 1930
Arrenurus securiformis Piersig, 1894
Arrenurus semicircularis (Piersig, 1904)
Arrenurus separatus Smit, 1997
Arrenurus serratus Marshall, 1919
Arrenurus setiger (Koenike, 1895)
Arrenurus siegasianus Habeeb, 1954
Arrenurus simulans (Marshall, 1921)
Arrenurus (Arrenurus) sinearcus (K. H. Viets, 1924)
Arrenurus sinuator (Müller, 1776)
Arrenurus solifer (Marshall, 1908)
Arrenurus spatiosus Viets, 1919
Arrenurus (Truncaturus) stammeri K. O. Viets, 1955
Arrenurus stecki Koenike, 1894
Arrenurus (Megaluracarus) stjoerdalensis Thor, 1899
Arrenurus stouti Cook, 1983
Arrenurus (Arrenurus) strandi Husiatschinski, 1937
Arrenurus (Arrenurus) subarcticus Lundblad, 1917
Arrenurus (Arrenurus) suecicus Lundblad, 1917
Arrenurus superior Marshall, 1908
Arrenurus (Arrenurus) szalayi Lundblad, 1954
Arrenurus tacomaensis Marshall, 1924
Arrenurus tahoei (Marshall, 1910)
Arrenurus tasmanicus Lundblad, 1941
Arrenurus (Arrenurus) tetracyphus Piersig, 1894
Arrenurus tetratumuli Munchberg, 1953
Arrenurus thienemanni K.O. Viets, 1984
Arrenurus tricornutus K. Viets, 1955
Arrenurus tricuspidator (Müller, 1776)
Arrenurus trifoliatus Marshall, 1908
Arrenurus (Truncaturus) troglobius E. Angelier, 1951
Arrenurus (Truncaturus) truncatellus (O. F. Muller, 1776)
Arrenurus tubulator (Müller, 1776)
Arrenurus (Arrenurus) turgidellus Wainstein & Tuzovskij, 1972
Arrenurus (Arrenurus) turgidus Koenike, 1911
Arrenurus uniformis (Marshall, 1921)
Arrenurus uniprojectus Wilson, 1959
Arrenurus unisinuatus Wilson, 1959
Arrenurus vanderpalae Smit, 1992
Arrenurus (Arrenurus) vavrai Thon, 1899
Arrenurus (Arrenurus) ventriosipalpis Husiatinschi, 1937
Arrenurus ventropetiolatus Lavers, 1945
Arrenurus victorianus K.O. Viets, 1978
Arrenurus (Arrenurus) vietsi Koenike, 1911
Arrenurus (Truncaturus) viktorovi Tuzovskij, 1976
Arrenurus virens Neuman, 1880
Arrenurus (Micruracarus) wainsteini Tuzovskij, 1971
Arrenurus (Micruracarus) walkanoffi K. H. Viets, 1926
Arrenurus wallensis Cook, 1954
Arrenurus wardi (Marshall, 1940)
Arrenurus (Arrenurus) wereschtschagini Sokolow, 1926
Arrenurus wolcotti Marshall, 1908
Arrenurus zachariae Koenike, 1886
Arrenurus (Megaluracarus) zachariasi Koenike, 1886
Arrenurus (Micruracarus) zachvatkini Wainstein & Tuzovskij, 1974
Arrenurus zapus Cook, 1976
Arrenurus zelandicus Cook, 1983
Arrenurus zeugicornis Cook, 1976
Arrenurus zorus Cook, 1976