Checklist for Infraclass Megoperculata Börner, 1902 and region Guyana (Northern South America)
List of families for Guyana 47 Families width 446 Species and 5 Subspecies #ABCDGHILMNOPSTUZ
| Actinopodidae Simon, 1892 | Mouse Spiders | 1 | Species | Taxom | | Agelenidae C. L. Koch, 1837 | Agelenid Spiders | 1 | Species | Taxom | | Anapidae Simon, 1895 | Anapid spiders | 1 | Species | Taxom | | Anyphaenidae Bertkau, 1878 | Anyphaenid sac spiders | 4 | Species | Taxom | | Araneidae Simon, 1895 | Golden orb web spiders | 69 | Species | Taxom | | Barychelidae Simon, 1889 | Brush-footed trapdoors | 2 | Species | Taxom | | Caponiidae Simon, 1890 | Caponiid spiders | 1 | Species | Taxom | | Charontidae Simon, 1892 | | 3 | Species | Taxom | | Clubionidae Wagner, 1887 | Clubiones | 1 | Species | Taxom | | Corinnidae Karsch, 1880 | Ant-like Sac Spiders | 19 | Species | Taxom | | Ctenidae Keyserling, 1877 | Tropical wolf spiders | 16 | Species | Taxom | | Dictynidae O. P-Cambridge, 1871 | Dictynid spiders | 1 | Species | Taxom | | Dipluridae Simon, 1889 | Curtainweb Spiders | 1 | Species | Taxom | | Gnaphosidae Pocock, 1898 | Flat-bellied ground spiders | 2 | Species | Taxom | | Hersiliidae Thorell, 1870 | Hersiliids | 2 | Species | Taxom | | Hubbardiidae Cook, 1899 | Hubbardiid shorttailed whipscorpions | 2 | Species | Taxom | | Idiopidae Simon, 1892 | Armored trapdoor spiders | 1 | Species | Taxom | | Linyphiidae Blackwall, 1859 | Dwarf spiders | 3 | Species | Taxom | | Lycosidae Lehtinen & H..., 1979 | Ground Spiders | 10 | Species | Taxom | | Mimetidae Simon, 1881 | Pirate spider | 1 | Species | Taxom | | Miturgidae Simon, 1885 | Long-legged sac spiders | 1 | Species | Taxom | | Mysmenidae Petrunkevitch, 1928 | Dwarf cobweb spiders | 1 | Species | Taxom | | Nesticidae Simon, 1894 | Cave cobweb spider | 1 | Species | Taxom | | Oonopidae Simon, 1890 | Dwarf Cell Spiders | 7 | Species | Taxom | | Oxyopidae Thorell, 1870 | Lynx spiders | 9 | Species | Taxom | | Palpimanidae Thorell, 1870 | Palp-footed spiders | 4 | Species | Taxom | | Paratropididae Simon, 1889 | Bald-legged spiders | 1 | Species | Taxom | | Philodromidae Thorell, 1870 | False crab spiders | 2 | Species | Taxom | | Pholcidae C. L. Koch, 1851 | Carpenter spider | 8 | Species | Taxom | | Phrynidae Blanchard, 1852 | | 3 | Species | Taxom | | Pisauridae Simon, 1890 | Big wolf spider | 7 | Species | Taxom | | Salticidae Blackwall, 1842 | Jumping Spider | 134 | Species | Taxom | | Scytodidae Blackwall, 1864 | Glue spitter | 2 | Species | Taxom | | Selenopidae Simon, 1897 | Flatties | 1 | Species | Taxom | | Senoculidae Simon, 1890 | Senoculid spiders | 2 | Species | Taxom | | Sparassidae Bertkau, 1872 | Giant crab spiders | 13 | Species | Taxom | | Synotaxidae Simon, 1894 | Synotaxid spiders | 2 | Species | Taxom | | Tetragnathidae Menge, 1866 | Elongated Orb Weavers | 16 | Species | Taxom | | Thelyphonidae Lucas, 1835 | | 1 | Species | Taxom | | Theraphosidae Thorell, 1870 | Bird-eating spiders | 19 | Species | Taxom | | Theridiidae Sundevall, 1833 | Cobweb And Widow Spiders | 28 | Species | Taxom | | Theridiosomatidae Simon, 1881 | Ray orbweavers | 1 | Species | Taxom | | Thomisidae Sundevall, 1833 | Crab Spider | 23 | Species | Taxom | | Trechaleidae Simon, 1890 | Trechaleid spiders | 12 | Species | Taxom | | Uloboridae Thorell, 1869 | Cribellate orb weavers | 5 | Species | Taxom | | Zodariidae Thorell, 1881 | Ant spiders | 1 | Species | Taxom | | Zoridae F. O. P-Camb..., 1893 | Wandering Spiders | 1 | Species | Taxom |
Subnodes of Megoperculata with occurrences in Guyana | Order | Amblypygi Thorell, 1883 Amblypygids, Tail-less whip scorpions, tailless whip scorpions, Tailless Whipscorpions, whip scorpions, whip spider, Whip spiders, Whip-spiders | 2 3 6 | Families Genera Species | Taxom
| | Order | Araneae Clerck, 1757 Spider, Spiders, True Spiders | 43 241 437 | Families Genera Species | Taxom
| | Order | Uropygi O. P-Cambridge, 1872 Uropygids, vinegaroons, whip scorpion, whip scorpions, Whip-scorpions, Whipscorpions, Windscorpions | 2 2 3 | Families Genera Species | Taxom
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