Species list, Checklist of Class Arachnida (Arachnids) for North America (America)

Ants	Arachnids
Bees	Beetles
Booklice	Bugs
Bumblebees	Butterflies
Cicadas	Crane flies
Dragonflies	Earwigs
Flies	Isopods
Locusts	Mantises
Mayflies	Mosquitoes
Myriapods	Net-winged
Plant-parasitic	Scorpion flies
Termites	Wasps

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INSECTOIDGERENGDARK LIGHT

⌕

Checklist for Class Arachnida Lamarck, 1801 (Arachnids)
and region North America (America)

Class

Arachnida
Lamarck, 1801
Arachnids

628
3831
18744

Families
Genera
Species

Taxom

List of families for North America
628 Families width 18744 Species and 399 Subspecies

#ABCDEFGHIJKLMNOPQRSTUVWXZ

Acalyptonotidae Walter, 1911		3	Species	Taxom
Acanthoctenidae Simon, 1892		0	Species	Taxom
Acanthoscorpionidae Kjellesvig-W..., 1986		1	Species	Taxom
Acaridae Latreille, 1802	Acarid mites	58	Species	Taxom
Acaronychidae Grandjean, 1932		3	Species	Taxom
Acarophenacidae Cross, 1965		5	Species	Taxom
Achipteriidae Thor, 1929		33	Species	Taxom
Actinopodidae Simon, 1892	Mouse Spiders	4	Species	Taxom
Adamystidae Cunliffe, 1957		4	Species	Taxom
Adelphacaridae Grandjean, 1954		1	Species	Taxom
Aeroglyphidae Zakhvatkin, 1941		0	Species	Taxom
Agelenidae C. L. Koch, 1837	Agelenid Spiders	275	Species	Taxom
Aleurodamaeidae Paschoal & J..., 1985		2	Species	Taxom
Algophagidae Fain, 1974		10	Species	Taxom
Alicorhagiidae Grandjean, 1939		1	Species	Taxom
Alloptidae Gaud, 1957		9	Species	Taxom
Alycidae Canestrini &..., 1877		9	Species	Taxom
Amaurobiidae Thorell, 1870	Amaurobiids	92	Species	Taxom
Amblyommidae Banks, 1907		148	Species	Taxom
Ameridae Grandjean, 1965		1	Species	Taxom
Ameronothridae Willmann, 1931		9	Species	Taxom
Ameroseiidae Evans, 1961		18	Species	Taxom
Ametroproctidae Subías, 2004		7	Species	Taxom
Ammotrechidae Roewer, 1934	Curve-faced solifugid	34	Species	Taxom
Ammoxenidae Simon, 1893	Ammoxenid spiders	0	Species	Taxom
Amphinectidae Forster & Wi..., 1973	Amphinectid spiders	1	Species	Taxom
Analgidae Trouessart &..., 1884	Feather mites	10	Species	Taxom
Anamidae Simon, 1889		5	Species	Taxom
Anapidae Simon, 1895	Anapid spiders	6	Species	Taxom
Anderemaeidae Balogh, 1972		7	Species	Taxom
Anisitsiellidae Koenike, 1910		12	Species	Taxom
Antennophoridae Berlese, 1892		2	Species	Taxom
Anthracomartidae Haase, 1890		8	Species	Taxom
Anthracosironidae Pocock, 1903		1	Species	Taxom
Anthracotarbidae (Kjellesvig-W..., 1969)		1	Species	Taxom
Antrodiaetidae Gertsch, 1940	Folding trapdoor spider	36	Species	Taxom
Anyphaenidae Bertkau, 1878	Anyphaenid sac spiders	119	Species	Taxom
Anystidae Oudemans, 1936	Whirligig Mites	8	Species	Taxom
Aphantomartidae (Petrunkevitch, 1945)		1	Species	Taxom
Aphelacaridae Grandjean, 1954		0	Species	Taxom
Apheviderulicidae Gerecke, Smi..., 1999		1	Species	Taxom
Apionacaridae Gaud & Atyeo, 1977		1	Species	Taxom
Araneidae Simon, 1895	Golden orb web spiders	454	Species	Taxom
Arborichthoniidae J. & P. Balogh, 1992		1	Species	Taxom
Arceremaeidae Balogh, 1972		2	Species	Taxom
Archaeidae C. L. Koch &..., 1854	Archaeid spiders	1	Species	Taxom
Architarbidae Karsch, 1882		15	Species	Taxom
Arctacaridae Evans, 1955		2	Species	Taxom
Arenohydracaridae Cook, 1974		2	Species	Taxom
Argasidae C. L. Koch, 1844	Soft tick	77	Species	Taxom
Arrenuridae Thor, 1900		135	Species	Taxom
Arthrolycosidae Fritsch, 1904		2	Species	Taxom
Arthromygalidae Petrunkevitch, 1923		1	Species	Taxom
Ascidae Oudemans, 1905		53	Species	Taxom
Ascouracaridae Gaud & Atyeo, 1976		6	Species	Taxom
Assamiidae Sørensen, 1884		0	Species	Taxom
Astegistidae Balogh, 1961		12	Species	Taxom
Atemnidae Chamberlin, 1931		11	Species	Taxom
Athienemanniidae Viets, 1922		7	Species	Taxom
Athyreacaridae Lindquist, K..., 1990		0	Species	Taxom
Atopochthoniidae Grandjean, 1949		3	Species	Taxom
Atopomelidae Fain, 1972		3	Species	Taxom
Aturidae Thor, 1900		113	Species	Taxom
Atypidae Thorell, 1870	Atypical tarantulas	9	Species	Taxom
Audycoptidae (Lavoipierre, 1964)		2	Species	Taxom
Austrochilidae Zapfe, 1955	Austrochilid spiders	1	Species	Taxom
Autognetidae Grandjean, 1960		10	Species	Taxom
Avenzoariidae Oudemans, 1905		14	Species	Taxom
Bandakiopsidae Panesar, 2004		1	Species	Taxom
Barbutiidae Robaux, 1975		2	Species	Taxom
Barychelidae Simon, 1889	Brush-footed trapdoors	5	Species	Taxom
Basilobelbidae Balogh, 1961		2	Species	Taxom
Bdellidae Dugès, 1834	Snout Mites	27	Species	Taxom
Belbidae (Willmann, 1931)		2	Species	Taxom
Blattisociidae (Garman, 1948)		50	Species	Taxom
Bochicidae Chamberlin, 1930		23	Species	Taxom
Bogatiidae Motas & Tana..., 1948		1	Species	Taxom
Bothriuridae Simon, 1880		5	Species	Taxom
Brachychthoniidae Thor, 1934		63	Species	Taxom
Branchioscorpionidae Kjellesvig-W..., 1986		1	Species	Taxom
Buthidae C. L. Koch, 1837	Arrowbreasted scorpions	95	Species	Taxom
Caddidae Banks, 1892		5	Species	Taxom
Caeculidae Berlese, 1883	Rake-legged mites	23	Species	Taxom
Calcitronidae Petrunkevitch, 1945		1	Species	Taxom
Caleremaeidae Grandjean, 1965		12	Species	Taxom
Caligonellidae Grandjean, 1944		12	Species	Taxom
Calyptostomatidae Oudemans, 1923		2	Species	Taxom
Camerobiidae Southcott, 1957	Stilt-legged mites	47	Species	Taxom
Camisiidae Oudemans, 1900		9	Species	Taxom
Canestriniidae Berlese, 1884		7	Species	Taxom
Caponiidae Simon, 1890	Caponiid spiders	36	Species	Taxom
Caraboacaridae Mahunka, 1970		1	Species	Taxom
Caraboctonidae Kraepelin, 1905		2	Species	Taxom
Carabodidae Koch, 1837		62	Species	Taxom
Carpoglyphidae Oudemans, 1923	Driedfruit mites	2	Species	Taxom
Celaenopsidae Berlese, 1892		7	Species	Taxom
Cepheidae (Berlese, 1896)		3	Species	Taxom
Cepheusidae Berlese, 1896		23	Species	Taxom
Ceratokalummidae Balogh, 1970		3	Species	Taxom
Ceratoppiidae (Kunst, 1971)		21	Species	Taxom
Ceratozetidae Jacot, 1925		115	Species	Taxom
Cercomegistidae Trägårdh, 1937		2	Species	Taxom
Ceresellidae P. G. Pavlit..., 1993		1	Species	Taxom
Ceromidae Purcell, 1903		1	Species	Taxom
Chactidae Reginald Inn..., 1893	Fatclaw scorpions	1	Species	Taxom
Chaetodactylidae Zakhvatkin, 1941		17	Species	Taxom
Chamobatidae Thor, 1937		10	Species	Taxom
Chappuisididae Motas & Tana..., 1946		8	Species	Taxom
Chapuisididae		6	Species	Taxom
Charassobatidae Grandjean, 1958		5	Species	Taxom
Charinidae Quintero, 1986		2	Species	Taxom
Charontidae Simon, 1892		1	Species	Taxom
Cheiridiidae Hansen, 1893		18	Species	Taxom
Cheliferidae Risso, 1826		68	Species	Taxom
Chernetidae Menge, 1855		190	Species	Taxom
Cheylabididae Gaud, 1983		1	Species	Taxom
Cheyletidae Leach, 1815		140	Species	Taxom
Chirodiscidae Trouessart, 1892		4	Species	Taxom
Chortoglyphidae Berlese, 1897		4	Species	Taxom
Chthoniidae Daday, 1888		199	Species	Taxom
Chyzeriidae Womersley, 1954		0	Species	Taxom
Circocyllibamidae Sellnick, 1926		0	Species	Taxom
Cithaeronidae Simon, 1893	Cithaeronid spiders	1	Species	Taxom
Cloacaridae Camin, Moss,..., 1967		7	Species	Taxom
Clubionidae Wagner, 1887	Clubiones	114	Species	Taxom
Cocceupodidae Jesionowska, 2010		8	Species	Taxom
Collohmanniidae Grandjean, 1958		1	Species	Taxom
Coprozerconidae Moraza & Lin..., 1999		0	Species	Taxom
Corinnidae Karsch, 1880	Ant-like Sac Spiders	271	Species	Taxom
Cosmetidae C. L. Koch, 1839		84	Species	Taxom
Cosmochthoniidae Grandjean, 1946		8	Species	Taxom
Crotalomorphidae Lindquist & ..., 2002		1	Species	Taxom
Crotoniidae Thorell, 1876		36	Species	Taxom
Cryptognathidae Luxton, 1973		19	Species	Taxom
Crypturoptidae Gaud, Atyeo ..., 1973		0	Species	Taxom
Ctenacaridae Grandjean, 1954		5	Species	Taxom
Ctenidae Keyserling, 1877	Tropical wolf spiders	39	Species	Taxom
Ctenizidae Thorell, 1887	Cork-lid trapdoor spider	41	Species	Taxom
Cunaxidae Thor, 1902	Predatory Mites	37	Species	Taxom
Curculioididae Cockerell, 1916		7	Species	Taxom
Cybaeidae Banks, 1892	Pond Water Spiders	95	Species	Taxom
Cymbaeremaeidae Sellnick, 1928		32	Species	Taxom
Cyrtaucheniidae Simon, 1892	Cyrtaucheiid spiders	83	Species	Taxom
Cytoditidae Oudemans, 1908		1	Species	Taxom
Daesiidae Kraepelin, 1899		8	Species	Taxom
Damaeidae Berlese, 1896		101	Species	Taxom
Damaeolidae Grandjean, 1965		3	Species	Taxom
Dampfiellidae Balogh, 1961		8	Species	Taxom
Dasythyreidae Walter & Gerson, 1998		2	Species	Taxom
Deinopidae C. L. Koch, 1850	Net-casters	4	Species	Taxom
Demodecidae Nicolet, 1855	Follicle mites	35	Species	Taxom
Dendroeremaeidae Behan-Pellet..., 2005		2	Species	Taxom
Deraiophoridae Trägårdh, 1952		1	Species	Taxom
Dermanyssidae Kolenati, 1859	Dermanyssid mites	21	Species	Taxom
Dermationidae Fain, 1965		5	Species	Taxom
Dermoglyphidae Mégnin & Tro..., 1884		2	Species	Taxom
Desidae Pocock, 1895	Desid spiders	5	Species	Taxom
Devonacaridae Norton, 1988		1	Species	Taxom
Diarthrophallidae Trägårdh, 1946		12	Species	Taxom
Dictynidae O. P-Cambridge, 1871	Dictynid spiders	402	Species	Taxom
Digamasellidae Evans, 1957		29	Species	Taxom
Diguetidae F. O. Pickar..., 1899	Coneweb spiders	11	Species	Taxom
Dinychidae Berlese, 1916		2	Species	Taxom
Diplocentridae Karsch, 1880	Spinysting scorpions	2	Species	Taxom
Diplogyniidae Trägårdh, 1941		3	Species	Taxom
Dipluridae Simon, 1889	Curtainweb Spiders	21	Species	Taxom
Diptilomiopidae Boczek, 1964		9	Species	Taxom
Dolichocybidae Mahunka, 1970		1	Species	Taxom
Dracochelidae Schawaller, ..., 1991		1	Species	Taxom
Drymobatidae J. & P. Balogh, 1984		1	Species	Taxom
Dysderidae C. L. Koch, 1837	Dysderid spiders	21	Species	Taxom
Dytiscacaridae Hajikanbar a..., 2018		2	Species	Taxom
Echimyopodidae Fain, 1967		0	Species	Taxom
Elliptochthoniidae Norton, 1975		1	Species	Taxom
Eniochthoniidae Grandjean, 1947		4	Species	Taxom
Entonyssidae Ewing, 1922		7	Species	Taxom
Eobuthidae Kjellesvig-W..., 1986		1	Species	Taxom
Eophrynidae Karsch, 1882		7	Species	Taxom
Eoscorpiidae Scudder, 1884		7	Species	Taxom
Epactozetidae Grandjean, 1930		3	Species	Taxom
Epicriidae Berlese, 1885		1	Species	Taxom
Epidermoptidae Trouessart, 1892		10	Species	Taxom
Epilohmanniidae Oudemans, 1923		13	Species	Taxom
Epimyodicidae Fain, Lukosc..., 1982		2	Species	Taxom
Eremaeidae Oudemans, 1900		57	Species	Taxom
Eremaeozetidae Piffl, 1972		5	Species	Taxom
Eremellidae Balogh, 1961		2	Species	Taxom
Eremobatidae Kraepelin, 1899		216	Species	Taxom
Eremobelbidae Balogh, 1961		4	Species	Taxom
Eremulidae Grandjean, 1965		11	Species	Taxom
Ereynetidae Schrank, 1776		19	Species	Taxom
Eriophyidae Nalepa, 1898	Blister mites	180	Species	Taxom
Erythracaridae (Oudemans, 1936)		1	Species	Taxom
Erythraeidae Oudemans, 1902		69	Species	Taxom
Euctenizidae (Raven, 1985)	Wafer-lid trapdoor spiders	1	Species	Taxom
Euglycyphagidae Fain & Philips, 1977		1	Species	Taxom
Eukoeneniidae Condé, 1965		4	Species	Taxom
Eulohmanniidae Grandjean, 1931		1	Species	Taxom
Eupalopsellidae Willmann, 1952		6	Species	Taxom
Euphthiracaridae Jacot, 1930		53	Species	Taxom
Eupodidae Strandtmann, 1967	Eupodid mites	11	Species	Taxom
Euscorpiidae Laurie, 1896	Shorttail scorpions	10	Species	Taxom
Eustathiidae Oudemans, 1905		3	Species	Taxom
Euzerconidae Trägårdh, 1938		5	Species	Taxom
Eviphididae Berlese, 1913		9	Species	Taxom
Eylaidae Leach, 1815		29	Species	Taxom
Falculiferidae Oudemans, 1905		1	Species	Taxom
Fedrizziidae Trägårdh, 1937		1	Species	Taxom
Feltriidae Viets, 1926		31	Species	Taxom
Filistatidae Ausserer, 1867	Crevice weaver	33	Species	Taxom
Fortuyniidae Hammen, 1963		3	Species	Taxom
Freyanidae Dubinin, 1953		3	Species	Taxom
Frontipodopsidae Viets, 1931		1	Species	Taxom
Gabuciniidae Gaud & Atyeo, 1975		3	Species	Taxom
Galeodidae Sundevall, 1833		3	Species	Taxom
Galumnidae Jacot, 1925		90	Species	Taxom
Garnettiidae Dubinin, 1962		1	Species	Taxom
Garypidae Simon, 1879		15	Species	Taxom
Garypinidae Daday, 1888		23	Species	Taxom
Gastronyssidae Fain, 1956		2	Species	Taxom
Gaudiellidae Atyeo, Baker..., 1974		1	Species	Taxom
Gaudoglyphidae (W.A. Bruce &..., 1976)		1	Species	Taxom
Gehypochthoniidae Strenzke, 1963		3	Species	Taxom
Geogarypidae Chamberlin, 1930		6	Species	Taxom
Gigantoscorpionidae Kjellesvig-W..., 1986		1	Species	Taxom
Glycyphagidae De Geer, 1778		41	Species	Taxom
Gnaphosidae Pocock, 1898	Flat-bellied ground spiders	458	Species	Taxom
Gonyleptidae Sundevall, 1833		5	Species	Taxom
Grandjeanicidae Kethley, 1977		0	Species	Taxom
Grandoculidae Penney, 2011		1	Species	Taxom
Guanolichidae Fain, 1968		1	Species	Taxom
Gustaviidae Oudemans, 1900		3	Species	Taxom
Gymnodamaeidae Grandjean, 1954		31	Species	Taxom
Hadruridae Stahnke, 1974		12	Species	Taxom
Haemogamasidae Oudemans, 1939		0	Species	Taxom
Hahniidae Bertkau, 1878	Dwarf sheet spiders	77	Species	Taxom
Halacaridae Murray, 1877	Sea mites	68	Species	Taxom
Halarachnidae Oudemans, 1906		10	Species	Taxom
Halolaelapidae Karg, 1965		6	Species	Taxom
Halonoproctidae Pocock, 1901		2	Species	Taxom
Hammeriellidae Paschoal, 1989		0	Species	Taxom
Haplochthoniidae Van der Hammen, 1959		4	Species	Taxom
Haplozetidae Grandjean, 1936		39	Species	Taxom
Harpirhynchidae Dubinin, 1957		65	Species	Taxom
Hemileiidae (J. & P. Balogh, 1984)		13	Species	Taxom
Hemisarcoptidae Oudemans, 1904		5	Species	Taxom
Hermanniellidae Grandjean, 1934		14	Species	Taxom
Hermanniidae Sellnick, 1928		13	Species	Taxom
Hersiliidae Thorell, 1870	Hersiliids	10	Species	Taxom
Hesperolpiidae Chamberlin, 1930		8	Species	Taxom
Heterobelbidae Balogh, 1961		5	Species	Taxom
Heterocheylidae Trägårdh, 1950		1	Species	Taxom
Heterotarbidae Petrunkevitch, 1913		1	Species	Taxom
Heterozerconidae Berlese, 1892		1	Species	Taxom
Hexathelidae Simon, 1892	Australian funnelweb spiders	5	Species	Taxom
Histiostomatidae Berlese, 1897		69	Species	Taxom
Homalonychidae Simon, 1893	Dusty desert spiders	2	Species	Taxom
Homocaligidae Wood, 1969		1	Species	Taxom
Hormuridae Laurie, 1896		8	Species	Taxom
Hubbardiidae Cook, 1899	Hubbardiid shorttailed whipscorpions	55	Species	Taxom
Humerobatidae Grandjean, 1970		12	Species	Taxom
Hungarobelbidae (Miko & Travé, 1996)		2	Species	Taxom
Hungarohydracaridae Motas & Tana..., 1959		1	Species	Taxom
Huttoniidae Simon, 1893	Huttoniid spiders	1	Species	Taxom
Hyadesiidae Halbert, 1915		10	Species	Taxom
Hydrachnidae Leach, 1815		32	Species	Taxom
Hydrodromidae Viets, 1936		3	Species	Taxom
Hydrovolziidae Thor, 1905		2	Species	Taxom
Hydrozetidae Grandjean, 1954		12	Species	Taxom
Hydryphantidae Piersig, 1896		55	Species	Taxom
Hygrobatidae Koch, 1842		56	Species	Taxom
Hypochilidae Marx, 1888	Lampshade spiders	11	Species	Taxom
Hypochthoniidae Berlese, 1910		11	Species	Taxom
Hypoderatidae (Murray, 1877)		10	Species	Taxom
Hypoderidae Murray, 1877		9	Species	Taxom
Ichthyostomatogasteridae (Sellnick, 1953)		0	Species	Taxom
Ideoroncidae Chamberlin, 1930		24	Species	Taxom
Idiopidae Simon, 1892	Armored trapdoor spiders	11	Species	Taxom
Iolinidae Pritchard, 1956		9	Species	Taxom
Ischyropsalididae Simon, 1879		8	Species	Taxom
Isobuthidae Petrunkevitch, 1913		2	Species	Taxom
Ixodidae C. L. Koch, 1844	Hard Tick	96	Species	Taxom
Ixodorhynchidae Ewing, 1923		6	Species	Taxom
Johnstonianidae Thor, 1935		2	Species	Taxom
Karschiidae Walter, 1889		1	Species	Taxom
Kimulidae Pérez Gonzal..., 2007		0	Species	Taxom
Klinckowstroemiidae Trägårdh, 1950		7	Species	Taxom
Knemidokoptidae (Lavoipierre ..., 1951)		3	Species	Taxom
Kodiakellidae Hammer, 1967		1	Species	Taxom
Kramerellidae Gaud & Mouchet, 1961		1	Species	Taxom
Kreischeriidae Haase, 1890		2	Species	Taxom
Krendowskiidae Viets, 1926		10	Species	Taxom
Kronoscorpionidae Kjellesvig-W..., 1986		1	Species	Taxom
Kustarachnidae Petrunkevitch, 1949		2	Species	Taxom
Kytoditidae (Oudemans, 1908)		0	Species	Taxom
Labidostommatidae Oudemans, 1904		11	Species	Taxom
Labriscorpionidae (Kjellesvig-W..., 1986)		1	Species	Taxom
Laelapidae Berlese, 1892		109	Species	Taxom
Laelaptidae (Berlese, 1892)		1	Species	Taxom
Laelaptonyssidae Womersley, 1956		1	Species	Taxom
Lagonomegopidae Eskov & Wund..., 1995		1	Species	Taxom
Lamellareidae Balogh, 1972		1	Species	Taxom
Laminosioptidae Vitzthum, 1931		4	Species	Taxom
Lamponidae Simon, 1893	White-tailed spiders	5	Species	Taxom
Larcidae Harvey, 1992		16	Species	Taxom
Lardoglyphidae Oudemans, 1927		4	Species	Taxom
Laversiidae Cook, 1955		1	Species	Taxom
Lebertiidae Thor, 1900		12	Species	Taxom
Leeuwenhoekiidae Womersley, 1944	Chigger mites	46	Species	Taxom
Leptolaelapidae Karg, 1978		2	Species	Taxom
Leptonetidae Simon, 1890	Cave spiders	93	Species	Taxom
Liacaridae Sellnick, 1928		44	Species	Taxom
Licneremaeidae Grandjean, 1931		3	Species	Taxom
Licnodamaeidae (Grandjean, 1954)		4	Species	Taxom
Liebstadiidae J. & P. Balogh, 1984		6	Species	Taxom
Limnesiidae Thor, 1900		64	Species	Taxom
Limnocharidae Grube, 1859		4	Species	Taxom
Limnozetidae Thor, 1937		10	Species	Taxom
Linotetranidae Baker & Prit..., 1953		1	Species	Taxom
Linyphiidae Blackwall, 1859	Dwarf spiders	1381	Species	Taxom
Liocranidae Simon, 1897	Liocranid sac spiders	20	Species	Taxom
Liodidae Grandjean, 1954	Round fungus beetle	2	Species	Taxom
Lissomartidae Dunlop, 1995		2	Species	Taxom
Listrophoridae Mégnin & Tro..., 1884		72	Species	Taxom
Lohmanniidae Berlese, 1916		23	Species	Taxom
Lordalychidae Grandjean, 1939		1	Species	Taxom
Lycosidae Lehtinen & H..., 1979	Ground Spiders	461	Species	Taxom
Machadobelbidae Balogh, 1972		1	Species	Taxom
Machuellidae Balogh, 1983		1	Species	Taxom
Macrochelidae Vitzthum, 1930		50	Species	Taxom
Macrodinychidae Hirschmann, 1979		0	Species	Taxom
Macronyssidae Oudemans, 1936	Macronyssid Mites	40	Species	Taxom
Malaconothridae Berlese, 1916		35	Species	Taxom
Mazoniidae Petrunkevitch, 1913		3	Species	Taxom
Mecicobothriidae Holmberg, 1882	Dwarf tarantula	11	Species	Taxom
Mecognathidae Gerson & Walter, 1998		1	Species	Taxom
Megalolaelapidae		0	Species	Taxom
Megisthanidae Berlese, 1914		1	Species	Taxom
Melicharidae (Hirschmann, 1962)		50	Species	Taxom
Menthidae J.C. Chamberlin, 1930		4	Species	Taxom
Mesoplophoridae Ewing, 1917		12	Species	Taxom
Metagynuridae Baker & Wharton, 1952		4	Species	Taxom
Micreremidae Grandjean, 1954		2	Species	Taxom
Microdispidae Cross, 1965		2	Species	Taxom
Microgyniidae Trägårdh, 1942		1	Species	Taxom
Micropholcommatidae Hickman, 1943	Micropholcommatid spiders	1	Species	Taxom
Micropsammidae Coineau & Th..., 1983		0	Species	Taxom
Microtegeidae Balogh, 1972		6	Species	Taxom
Microtrombidiidae Womersley, 1936	Micro velvet mites	17	Species	Taxom
Microzetidae Grandjean, 1936		28	Species	Taxom
Mideidae Thor, 1911		2	Species	Taxom
Mideopsidae Koenike, 1910		31	Species	Taxom
Migidae Simon, 1892	Tree trapdoor spiders	1	Species	Taxom
Mimetidae Simon, 1881	Pirate spider	25	Species	Taxom
Miturgidae Simon, 1885	Long-legged sac spiders	40	Species	Taxom
Mochlozetidae Grandjean, 1960		20	Species	Taxom
Momoniidae Viets, 1926		16	Species	Taxom
Monoscutidae (Forster, 1948)		1	Species	Taxom
Multoribulidae Balogh, 1972		1	Species	Taxom
Mummuciidae Mello-Leitão, 1938		1	Species	Taxom
Myobiidae Megnin, 1877		41	Species	Taxom
Myocoptidae Gunther, 1942		7	Species	Taxom
Myrmecicultoridae		1	Species	Taxom
Mysmenidae Petrunkevitch, 1928	Dwarf cobweb spiders	22	Species	Taxom
Nanhermanniidae Sellnick, 1928		11	Species	Taxom
Nanorchestidae Luxton, 1984		8	Species	Taxom
Nehypochthoniidae Norton & Metz, 1980		1	Species	Taxom
Nemastomatidae Simon, 1872		20	Species	Taxom
Nemastomoididae Petrunkevitch, 1955		3	Species	Taxom
Nematalycidae Strenzke, 1954		4	Species	Taxom
Nenteriidae Hirschmann, 1979		12	Species	Taxom
Neoacaridae (Motas & Tana..., 1947)		15	Species	Taxom
Neobisiidae Chamberlin, 1930		85	Species	Taxom
Neogoveidae Shear, 1980		3	Species	Taxom
Neoliodidae (Sellnick, 1928)		10	Species	Taxom
Neopygmephoridae Cross, 1965		3	Species	Taxom
Neothrombiidae Feider, 1959		1	Species	Taxom
Nesticidae Simon, 1894	Cave cobweb spider	69	Species	Taxom
Nicodamidae Simon, 1898	Nicodamid spiders	4	Species	Taxom
Nodocepheidae Piffl, 1972		1	Species	Taxom
Nosybelbidae Mahunka, 1994		21	Species	Taxom
Nothridae Berlese, 1896		28	Species	Taxom
Ochyroceratidae Fage, 1912	Midget ground weaver	18	Species	Taxom
Oecobiidae Blackwall, 1862	Disc web spider	19	Species	Taxom
Oehserchestidae Kethley, 1977		2	Species	Taxom
Ologamasidae Ryke, 1962		20	Species	Taxom
Olpiidae Banks, 1895		14	Species	Taxom
Omartacaridae Cook, 1963		3	Species	Taxom
Oonopidae Simon, 1890	Dwarf Cell Spiders	181	Species	Taxom
Opilioacaridae With, 1902		15	Species	Taxom
Opiliotarbidae Petrunkevitch, 1945		1	Species	Taxom
Oplitidae Johnston, 1968		3	Species	Taxom
Oppiidae Sellnick, 1937		109	Species	Taxom
Opsieobuthidae (Kjellesvig-W..., 1986)		1	Species	Taxom
Oribatellidae Jacot, 1925		69	Species	Taxom
Oribatidae		0	Species	Taxom
Oribatulidae Thor, 1929		59	Species	Taxom
Oribellidae (Kunst, 1971)		10	Species	Taxom
Oribotritiidae Grandjean, 1954		36	Species	Taxom
Oripodidae Jacot, 1925		24	Species	Taxom
Orsolobidae Cooke, 1965	Orsolobid spiders	1	Species	Taxom
Otocepheidae Balogh, 1961		7	Species	Taxom
Otopheidomenidae Treat, 1955		2	Species	Taxom
Oxidae Viets, 1926		6	Species	Taxom
Oxyopidae Thorell, 1870	Lynx spiders	53	Species	Taxom
Pachylaelapidae Berlese, 1913		2	Species	Taxom
Palaeacaridae Grandjean, 1932		1	Species	Taxom
Palaeobuthidae Kjellesvig-W..., 1986		1	Species	Taxom
Palaeocharinidae Hirst, 1923		8	Species	Taxom
Palaeophonidae Thorell & Li..., 1885		2	Species	Taxom
Palaeopisthacanthidae Kjellesvig-W..., 1986		1	Species	Taxom
Palpimanidae Thorell, 1870	Palp-footed spiders	0	Species	Taxom
Paracharontidae Weygoldt, 1996		2	Species	Taxom
Paraisobuthidae Kjellesvig-W..., 1986		1	Species	Taxom
Parakalummidae Grandjean, 1936		11	Species	Taxom
Paramegistidae Trägårdh, 1946		1	Species	Taxom
Paranonychidae (Briggs, 1971)		24	Species	Taxom
Parantennulidae Willmann, 1940		1	Species	Taxom
Pararchaeidae Forster & Pl..., 1984	Pararchaeid spiders	1	Species	Taxom
Parasitidae Oudemans, 1901	Beetle Mites	45	Species	Taxom
Paratropididae Simon, 1889	Bald-legged spiders	1	Species	Taxom
Parattidae Petrunkevitch, 1922		4	Species	Taxom
Paratydeidae Baker, 1949		4	Species	Taxom
Parholaspididae Evans, 1956		24	Species	Taxom
Parhypochthoniidae Grandjean, 1932		2	Species	Taxom
Passalozetidae Grandjean, 1954		7	Species	Taxom
Pediculochelidae Lavoipierre, 1946		2	Species	Taxom
Peloppiidae Balogh, 1943		7	Species	Taxom
Pentanychidae Briggs, 1971		5	Species	Taxom
Penthaleidae Oudemans, 1931	Earth Mites	5	Species	Taxom
Penthalodidae Strandtmann, 1964		7	Species	Taxom
Perlohmanniidae Grandjean, 1954		3	Species	Taxom
Pettalidae Simon, 1879		0	Species	Taxom
Phalangiidae Latreille, 1802	Daddy-Long-Legs	43	Species	Taxom
Phalangodidae Simon, 1879		137	Species	Taxom
Phaulodinychidae (Berlese, 1917)		0	Species	Taxom
Phenopelopidae Petrunkevitch, 1955		29	Species	Taxom
Pheroliodidae Paschoal, 1987		5	Species	Taxom
Philodanidae Kethley, 1977		1	Species	Taxom
Philodromidae Thorell, 1870	False crab spiders	146	Species	Taxom
Pholcidae C. L. Koch, 1851	Carpenter spider	245	Species	Taxom
Phrynichidae Simon, 1892		1	Species	Taxom
Phrynidae Blanchard, 1852		33	Species	Taxom
Phthiracaridae Perty, 1841		95	Species	Taxom
Phytoptidae Manson, 1970		26	Species	Taxom
Phytoseiidae Berlese, 1916	Phytoseiid mites	220	Species	Taxom
Piersigiidae Oudemans, 1902		2	Species	Taxom
Pimoidae Wunderlich, 1986	Pimoid spiders	15	Species	Taxom
Pionidae Thor, 1900		89	Species	Taxom
Pisauridae Simon, 1890	Big wolf spider	32	Species	Taxom
Plasmobatidae Grandjean, 1961		3	Species	Taxom
Plateremaeidae Trägårdh, 1931		7	Species	Taxom
Platyameridae Balogh & Balogh, 1983		3	Species	Taxom
Plectreuridae Simon, 1893	Plectreurid spider	28	Species	Taxom
Pneumocoptidae Fain, 1957		2	Species	Taxom
Podapolipidae Husband, 1990		34	Species	Taxom
Podocinidae Berlese, 1913		6	Species	Taxom
Podopterotegaeidae (Piffl, 1972)		1	Species	Taxom
Poliocheridae Scudder, 1884		3	Species	Taxom
Polyaspidae (Berlese, 1913)		1	Species	Taxom
Polyaspididae Berlese, 1913		23	Species	Taxom
Pomerantziidae Baker, 1949		4	Species	Taxom
Pontarachnidae Koenike, 1910		1	Species	Taxom
Praearcturidae Kjellesvig-W..., 1986		0	Species	Taxom
Proctophyllodidae Trouessart &..., 1884		49	Species	Taxom
Prokoeneniidae Condé, 1991		2	Species	Taxom
Proscorpiidae Scudder, 1885		4	Species	Taxom
Proteonematalycidae Kethley, 1989		1	Species	Taxom
Protochthoniidae Norton, 1988		1	Species	Taxom
Protodinychidae Evans, 1957		1	Species	Taxom
Protoplophoridae (Ewing, 1917)		8	Species	Taxom
Protoribatidae J. & P. Balogh, 1984		11	Species	Taxom
Protoschizomidae Rowland, 1975		14	Species	Taxom
Protosolpugidae Petrunkevitch, 1953		1	Species	Taxom
Psammochthoniidae Fuangarworn ..., 2013		1	Species	Taxom
Pseudocheylidae Oudemans, 1909		2	Species	Taxom
Pseudochiridiidae Chamberlin, 1923		1	Species	Taxom
Pseudogarypidae J.C. Chamberlin, 1923		6	Species	Taxom
Pseudoppiidae (Mahunka, 1975)		2	Species	Taxom
Psoralgidae Oudemans, 1908		2	Species	Taxom
Psorergatidae Womersley, 1941		15	Species	Taxom
Psoroptidae Hering, 1838	Scab mites	7	Species	Taxom
Psoroptoididae Gaud, 1958		3	Species	Taxom
Pterolichidae Trouessart, 1899		29	Species	Taxom
Pteronyssidae Oudemans, 1941		9	Species	Taxom
Pterygosomatidae Womersley, 1941		11	Species	Taxom
Ptiloxenidae Gaud, 1982		2	Species	Taxom
Ptyssalgidae Atyeo & Gaud, 1979		0	Species	Taxom
Punctoribatidae Thor, 1937		40	Species	Taxom
Pyemotidae Newport, 1850		7	Species	Taxom
Pygmephoridae Krczal, 1964		26	Species	Taxom
Pyramidopidae Starega, 1992		1	Species	Taxom
Pyroglyphidae Cunliffe, 1958	Dust mites	13	Species	Taxom
Pyrosejidae Lindquist & ..., 1993		0	Species	Taxom
Quadroppiidae Balogh, 1983		6	Species	Taxom
Raillietiidae Vitzthum, 1943		3	Species	Taxom
Raphignathidae Kramer, 1877		9	Species	Taxom
Rectijanuidae Gaud, 1961		0	Species	Taxom
Rhagidiidae Zacharda, 1980		66	Species	Taxom
Rhinonyssidae Trouessart, 1895		106	Species	Taxom
Rhodacaridae Oudemans, 1902		10	Species	Taxom
Rhynchoribatidae Balogh, 1961		1	Species	Taxom
Rhyncoptidae Lawrence, 1956		1	Species	Taxom
Ricinoididae Ewing, 1929	Hooded tickspiders	20	Species	Taxom
Rosensteiniidae Cooreman, 1954		9	Species	Taxom
Sabaconidae Dresco, 1970	Sabaconid Harvestmen	14	Species	Taxom
Salticidae Blackwall, 1842	Jumping Spider	1086	Species	Taxom
Samoidae Sørensen, 1886		3	Species	Taxom
Sarcoptidae Megnin, 1877	Itch mites	16	Species	Taxom
Scheloribatidae Jacot, 1935		37	Species	Taxom
Schizogyniidae Trägårdh, 1950		1	Species	Taxom
Sclerosomatidae Simon, 1879	Sclerosomatid Harvestmen	184	Species	Taxom
Scorpionidae Pierre André..., 1802	Largeclaw scorpions	70	Species	Taxom
Scutacaridae Paoli, 1911		11	Species	Taxom
Scutoverticidae Grandjean, 1954		9	Species	Taxom
Scytodidae Blackwall, 1864	Glue spitter	35	Species	Taxom
Segestriidae Simon, 1893	Six-eyed Spiders	25	Species	Taxom
Sejidae Berlese, 1885		10	Species	Taxom
Selenopidae Simon, 1897	Flatties	28	Species	Taxom
Selenoribatidae Schuster, 1963		1	Species	Taxom
Senoculidae Simon, 1890	Senoculid spiders	4	Species	Taxom
Sicariidae Keyserling, 1880	Brown recluse spiders	53	Species	Taxom
Sironidae Simon, 1879		11	Species	Taxom
Siteroptidae Martin, 1978	Siteroptid mites	12	Species	Taxom
Smarididae Kramer, 1878		9	Species	Taxom
Solpugidae Leach, 1815		1	Species	Taxom
Sparassidae Bertkau, 1872	Giant crab spiders	96	Species	Taxom
Spelaeorhynchidae Oudemans, 1902		2	Species	Taxom
Sperchontidae Thor, 1900		28	Species	Taxom
Sphaerochthoniidae Grandjean, 1947		2	Species	Taxom
Sphaerolichidae Berlese, 1913		1	Species	Taxom
Spinturnicidae Oudemans, 1902		17	Species	Taxom
Staurobatidae Grandjean, 1966		1	Species	Taxom
Steganacaridae (NiedbaÅ‚a, 1986)		1	Species	Taxom
Sternophoridae J.C. Chamberlin, 1923		7	Species	Taxom
Sternoppiidae Balogh & Mah..., 1969		2	Species	Taxom
Stigmaeidae Wood, 1967		119	Species	Taxom
Stigmocheylidae (Kethley, 1990)		2	Species	Taxom
Stiphidiidae Dalmas, 1917	Sheetweb spiders	1	Species	Taxom
Stoermeroscorpionidae (Kjellesvig-W..., 1986)		1	Species	Taxom
Stygnommatidae Roewer, 1923		9	Species	Taxom
Stygnopsidae Sørensen, 1932		26	Species	Taxom
Stygothrombiidae Thor, 1935		3	Species	Taxom
Suctobelbidae Jacot, 1938		43	Species	Taxom
Suidasiidae Hughes, 1948		6	Species	Taxom
Superstitioniidae Stahnke, 1940		13	Species	Taxom
Syarinidae Chamberlin, 1930		29	Species	Taxom
Symphytognathidae Hickman, 1931	Dwarf orb-weavers	3	Species	Taxom
Synichotritiidae Walker, 1965		8	Species	Taxom
Synotaxidae Simon, 1894	Synotaxid spiders	3	Species	Taxom
Syringobiidae Trouessart, 1897		17	Species	Taxom
Syringophilidae Lavoipierre, 1953	Quill mites	112	Species	Taxom
Tanaupodidae Thor, 1935		4	Species	Taxom
Taracidae Schönhofer, 2013		24	Species	Taxom
Tarsocheylidae Berlese, 1904		4	Species	Taxom
Tarsonemidae Kramer, 1877	Tarsonemid mites	130	Species	Taxom
Tectocepheidae Grandjean, 1954		7	Species	Taxom
Tegeocranellidae P. Balogh, 1987		4	Species	Taxom
Tegoribatidae Grandjean, 1954		10	Species	Taxom
Telemidae Fage, 1913	Long-legged cave spider	4	Species	Taxom
Telmatoscorpionidae Kjellesvig-W..., 1986		1	Species	Taxom
Teneriffiidae Thor, 1911		2	Species	Taxom
Tengellidae (Dahl, 1908)	Tengellid spiders	50	Species	Taxom
Tenuialidae Jacot, 1929		5	Species	Taxom
Tenuipalpidae Berlese, 1913	False spider mites	302	Species	Taxom
Teratoppiidae Balogh, 1983		2	Species	Taxom
Terpnacaridae Grandjean, 1939		1	Species	Taxom
Tetrablemmidae O. P-Cambridge, 1873	Armored spider	7	Species	Taxom
Tetragnathidae Menge, 1866	Elongated Orb Weavers	167	Species	Taxom
Tetranychidae Donnadieu, 1875	Spider mites	351	Species	Taxom
Teutoniidae Koenike, 1910		1	Species	Taxom
Thelyphonidae Lucas, 1835		12	Species	Taxom
Theraphosidae Thorell, 1870	Bird-eating spiders	217	Species	Taxom
Theridiidae Sundevall, 1833	Cobweb And Widow Spiders	612	Species	Taxom
Theridiosomatidae Simon, 1881	Ray orbweavers	13	Species	Taxom
Thermacaridae Sokolow, 1927		2	Species	Taxom
Thomisidae Sundevall, 1833	Crab Spider	295	Species	Taxom
Thyrisomidae Grandjean, 1953		11	Species	Taxom
Titanoecidae Lehtinen, 1967	Rock Weavers	13	Species	Taxom
Torrenticolidae Thor, 1902	Torrent Mites	71	Species	Taxom
Trachytidae Tragärdh, 1938		2	Species	Taxom
Trachyuropodidae Kramer, 1881		37	Species	Taxom
Travuniidae Absolon & Kr..., 1932		18	Species	Taxom
Trechaleidae Simon, 1890	Trechaleid spiders	6	Species	Taxom
Trematuridae Berlese, 1917		76	Species	Taxom
Trhypochthoniidae Willmann, 1931		24	Species	Taxom
Triaenonychidae Sörensen, 1886		5	Species	Taxom
Trichthoniidae (Lee, 1982)		1	Species	Taxom
Trigonomartidae Petrunkevitch, 1949		2	Species	Taxom
Trigonotarbidae Petrunkevitch, 1949		2	Species	Taxom
Trigonuropodidae Hirschmann, 1979		0	Species	Taxom
Triophytydeidae		0	Species	Taxom
Trizetidae Ewing, 1917		1	Species	Taxom
Trochanteriidae Karsch, 1879	Flat spiders	3	Species	Taxom
Trogloraptoridae Griswold, A..., 2012		1	Species	Taxom
Trogulidae Sundevall, 1833		1	Species	Taxom
Trombellidae Thor, 1935		1	Species	Taxom
Trombiculidae Ewing, 1929	Chigger mites	230	Species	Taxom
Trombidiidae Leach, 1815	Beer Bahuti	20	Species	Taxom
Trouessartiidae Gaud, 1957		10	Species	Taxom
Tuckerellidae Baker & Prit..., 1953	Peacock mites	4	Species	Taxom
Turbinoptidae Fain, 1957		5	Species	Taxom
Tydeidae Kramer, 1877	Tydeid mites	15	Species	Taxom
Uloboridae Thorell, 1869	Cribellate orb weavers	34	Species	Taxom
Unduloribatidae Kunst, 1971		1	Species	Taxom
Unionicolidae Oudemans, 1909		131	Species	Taxom
Uroactiniidae Hirschmann &..., 1964		0	Species	Taxom
Urodinychidae Berlese, 1917		33	Species	Taxom
Uropodellidae (Camin, 1955)		2	Species	Taxom
Uropodidae Kramer, 1881		45	Species	Taxom
Vaejovidae Thorell, 1876		310	Species	Taxom
Varroidae Delfinado & ..., 1974		4	Species	Taxom
Veigaiidae Oudemans, 1939		17	Species	Taxom
Wettinidae Cook, 1956		3	Species	Taxom
Winterschmidtiidae Oudemans, 1923		26	Species	Taxom
Withiidae Chamberlin, 1931		11	Species	Taxom
Xenillidae Woolley & Hi..., 1966		18	Species	Taxom
Xenocaligonellididae González, 1978		1	Species	Taxom
Xolalgidae Dubinin, 1953		14	Species	Taxom
Zalmoxidae (Sörensen, 1886)		6	Species	Taxom
Zerconidae Berlese, 1892		12	Species	Taxom
Zetomimidae Shaldybina, 1966		1	Species	Taxom
Zetomotrichidae Grandjean, 1934		2	Species	Taxom
Zetorchestidae Michael, 1898		3	Species	Taxom
Zodariidae Thorell, 1881	Ant spiders	58	Species	Taxom
Zoridae F. O. P-Camb..., 1893	Wandering Spiders	6	Species	Taxom
Zorocratidae (Dahl, 1913)	Zorocratid spider	32	Species	Taxom
Zoropsidae Bertkau, 1882	False Huntsman Spiders	1	Species	Taxom

Subnodes of Arachnida with occurrences in North America

Subclass	Dromopoda Shultz, 1990	91 484 2263	Families Genera Species	Taxom
Subclass	Micrura Ehrenberg, 1831	533 3328 16459	Families Genera Species	Taxom
Order	Phalangiotarbi ♰ Haase, 1890	4 14 18	Families Genera Species	Taxom

Arachnida (Lamarck 1801)

Links, sources and further information

Arachnida at biolcoll.utu.fi
Arachnida at wiki.spinnen-forum.de
Arachnida at spiderling.de
Arachnida at wsc.nmbe.ch
Arachnida at artfakta.se
Arachnida at biodiversity.org.au
Arachnida at dyntaxa.se
Arachnida at gbif.org
Arachnida at irmng.org
Arachnida at itis.gov
Arachnida at marinespecies.org