Checklist for Infraclass Megoperculata Börner, 1902 and region Brazil (Northern South America)
List of families for Brazil 81 Families width 5544 Species and 8 Subspecies #ABCDEFGHILMNOPSTUZ
| Actinopodidae Simon, 1892 | Mouse Spiders | 54 | Species | Taxom | | Agelenidae C. L. Koch, 1837 | Agelenid Spiders | 5 | Species | Taxom | | Amaurobiidae Thorell, 1870 | Amaurobiids | 17 | Species | Taxom | | Ammoxenidae Simon, 1893 | Ammoxenid spiders | 0 | Species | Taxom | | Amphinectidae Forster & Wi..., 1973 | Amphinectid spiders | 3 | Species | Taxom | | Anamidae Simon, 1889 | | 8 | Species | Taxom | | Anapidae Simon, 1895 | Anapid spiders | 10 | Species | Taxom | | Anyphaenidae Bertkau, 1878 | Anyphaenid sac spiders | 194 | Species | Taxom | | Araneidae Simon, 1895 | Golden orb web spiders | 707 | Species | Taxom | | Barychelidae Simon, 1889 | Brush-footed trapdoors | 25 | Species | Taxom | | Caponiidae Simon, 1890 | Caponiid spiders | 26 | Species | Taxom | | Charontidae Simon, 1892 | | 19 | Species | Taxom | | Cithaeronidae Simon, 1893 | Cithaeronid spiders | 2 | Species | Taxom | | Clubionidae Wagner, 1887 | Clubiones | 17 | Species | Taxom | | Corinnidae Karsch, 1880 | Ant-like Sac Spiders | 259 | Species | Taxom | | Ctenidae Keyserling, 1877 | Tropical wolf spiders | 155 | Species | Taxom | | Ctenizidae Thorell, 1887 | Cork-lid trapdoor spider | 1 | Species | Taxom | | Cyrtaucheniidae Simon, 1892 | Cyrtaucheiid spiders | 10 | Species | Taxom | | Deinopidae C. L. Koch, 1850 | Net-casters | 10 | Species | Taxom | | Desidae Pocock, 1895 | Desid spiders | 1 | Species | Taxom | | Dictynidae O. P-Cambridge, 1871 | Dictynid spiders | 5 | Species | Taxom | | Diguetidae F. O. Pickar..., 1899 | Coneweb spiders | 1 | Species | Taxom | | Dipluridae Simon, 1889 | Curtainweb Spiders | 49 | Species | Taxom | | Drymusidae Simon, 1893 | Drymusid spiders | 5 | Species | Taxom | | Dysderidae C. L. Koch, 1837 | Dysderid spiders | 4 | Species | Taxom | | Eresidae C. L. Koch, 1851 | Eresid spiders | 3 | Species | Taxom | | Eukoeneniidae Condé, 1965 | | 6 | Species | Taxom | | Filistatidae Ausserer, 1867 | Crevice weaver | 13 | Species | Taxom | | Gnaphosidae Pocock, 1898 | Flat-bellied ground spiders | 115 | Species | Taxom | | Hahniidae Bertkau, 1878 | Dwarf sheet spiders | 7 | Species | Taxom | | Halonoproctidae Pocock, 1901 | | 1 | Species | Taxom | | Hersiliidae Thorell, 1870 | Hersiliids | 10 | Species | Taxom | | Hexathelidae Simon, 1892 | Australian funnelweb spiders | 1 | Species | Taxom | | Hubbardiidae Cook, 1899 | Hubbardiid shorttailed whipscorpions | 13 | Species | Taxom | | Idiopidae Simon, 1892 | Armored trapdoor spiders | 21 | Species | Taxom | | Linyphiidae Blackwall, 1859 | Dwarf spiders | 116 | Species | Taxom | | Lycosidae Lehtinen & H..., 1979 | Ground Spiders | 101 | Species | Taxom | | Mecicobothriidae Holmberg, 1882 | Dwarf tarantula | 1 | Species | Taxom | | Micropholcommatidae Hickman, 1943 | Micropholcommatid spiders | 1 | Species | Taxom | | Microstigmatidae Raven & Plat..., 1981 | Microstigmatid spiders | 14 | Species | Taxom | | Mimetidae Simon, 1881 | Pirate spider | 31 | Species | Taxom | | Miturgidae Simon, 1885 | Long-legged sac spiders | 30 | Species | Taxom | | Mysmenidae Petrunkevitch, 1928 | Dwarf cobweb spiders | 16 | Species | Taxom | | Nemesiidae Simon, 1892 | Tube Trapdoor Spiders | 6 | Species | Taxom | | Nesticidae Simon, 1894 | Cave cobweb spider | 11 | Species | Taxom | | Ochyroceratidae Fage, 1912 | Midget ground weaver | 34 | Species | Taxom | | Oecobiidae Blackwall, 1862 | Disc web spider | 3 | Species | Taxom | | Oonopidae Simon, 1890 | Dwarf Cell Spiders | 204 | Species | Taxom | | Orsolobidae Cooke, 1965 | Orsolobid spiders | 4 | Species | Taxom | | Oxyopidae Thorell, 1870 | Lynx spiders | 49 | Species | Taxom | | Palpimanidae Thorell, 1870 | Palp-footed spiders | 38 | Species | Taxom | | Paratropididae Simon, 1889 | Bald-legged spiders | 6 | Species | Taxom | | Philodromidae Thorell, 1870 | False crab spiders | 51 | Species | Taxom | | Pholcidae C. L. Koch, 1851 | Carpenter spider | 232 | Species | Taxom | | Phrynichidae Simon, 1892 | | 4 | Species | Taxom | | Phrynidae Blanchard, 1852 | | 15 | Species | Taxom | | Pisauridae Simon, 1890 | Big wolf spider | 39 | Species | Taxom | | Salticidae Blackwall, 1842 | Jumping Spider | 885 | Species | Taxom | | Scytodidae Blackwall, 1864 | Glue spitter | 87 | Species | Taxom | | Segestriidae Simon, 1893 | Six-eyed Spiders | 19 | Species | Taxom | | Selenopidae Simon, 1897 | Flatties | 19 | Species | Taxom | | Senoculidae Simon, 1890 | Senoculid spiders | 18 | Species | Taxom | | Sicariidae Keyserling, 1880 | Brown recluse spiders | 31 | Species | Taxom | | Sparassidae Bertkau, 1872 | Giant crab spiders | 139 | Species | Taxom | | Symphytognathidae Hickman, 1931 | Dwarf orb-weavers | 11 | Species | Taxom | | Synotaxidae Simon, 1894 | Synotaxid spiders | 8 | Species | Taxom | | Telemidae Fage, 1913 | Long-legged cave spider | 1 | Species | Taxom | | Tengellidae (Dahl, 1908) | Tengellid spiders | 3 | Species | Taxom | | Tetrablemmidae O. P-Cambridge, 1873 | Armored spider | 10 | Species | Taxom | | Tetragnathidae Menge, 1866 | Elongated Orb Weavers | 129 | Species | Taxom | | Thelyphonidae Lucas, 1835 | | 9 | Species | Taxom | | Theraphosidae Thorell, 1870 | Bird-eating spiders | 360 | Species | Taxom | | Theridiidae Sundevall, 1833 | Cobweb And Widow Spiders | 513 | Species | Taxom | | Theridiosomatidae Simon, 1881 | Ray orbweavers | 31 | Species | Taxom | | Thomisidae Sundevall, 1833 | Crab Spider | 305 | Species | Taxom | | Titanoecidae Lehtinen, 1967 | Rock Weavers | 12 | Species | Taxom | | Trechaleidae Simon, 1890 | Trechaleid spiders | 72 | Species | Taxom | | Trochanteriidae Karsch, 1879 | Flat spiders | 2 | Species | Taxom | | Uloboridae Thorell, 1869 | Cribellate orb weavers | 34 | Species | Taxom | | Zodariidae Thorell, 1881 | Ant spiders | 52 | Species | Taxom | | Zoridae F. O. P-Camb..., 1893 | Wandering Spiders | 9 | Species | Taxom |
Subnodes of Megoperculata with occurrences in Brazil | Order | Amblypygi Thorell, 1883 Amblypygids, Tail-less whip scorpions, tailless whip scorpions, Tailless Whipscorpions, whip scorpions, whip spider, Whip spiders, Whip-spiders | 3 6 38 | Families Genera Species | Taxom
| | Order | Araneae Clerck, 1757 Spider, Spiders, True Spiders | 76 952 5477 | Families Genera Species | Taxom
| | Order | Palpigradi Thorell, 1900 micro-whip scorpions, Microscorpions, microwhip scorpion, Microwhip scorpions, Palpigrades | 1 2 6 | Family Genera Species | Taxom
| | Order | Uropygi O. P-Cambridge, 1872 Uropygids, vinegaroons, whip scorpion, whip scorpions, Whip-scorpions, Whipscorpions, Windscorpions | 2 10 22 | Families Genera Species | Taxom
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