Checklist for Infraclass Megoperculata Börner, 1902 and region Southeast Mexico (South Mexico, Mexico)
List of families for Southeast Mexico 37 Families width 209 Species #ACDEFGHILMNOPSTU
| Anyphaenidae Bertkau, 1878 | Anyphaenid sac spiders | 0 | Species | Taxom | | Araneidae Simon, 1895 | Golden orb web spiders | 38 | Species | Taxom | | Caponiidae Simon, 1890 | Caponiid spiders | 2 | Species | Taxom | | Corinnidae Karsch, 1880 | Ant-like Sac Spiders | 1 | Species | Taxom | | Ctenidae Keyserling, 1877 | Tropical wolf spiders | 4 | Species | Taxom | | Deinopidae C. L. Koch, 1850 | Net-casters | 1 | Species | Taxom | | Dysderidae C. L. Koch, 1837 | Dysderid spiders | 1 | Species | Taxom | | Eukoeneniidae Condé, 1965 | | 0 | Species | Taxom | | Filistatidae Ausserer, 1867 | Crevice weaver | 1 | Species | Taxom | | Gnaphosidae Pocock, 1898 | Flat-bellied ground spiders | 1 | Species | Taxom | | Hahniidae Bertkau, 1878 | Dwarf sheet spiders | 1 | Species | Taxom | | Hersiliidae Thorell, 1870 | Hersiliids | 2 | Species | Taxom | | Hubbardiidae Cook, 1899 | Hubbardiid shorttailed whipscorpions | 7 | Species | Taxom | | Idiopidae Simon, 1892 | Armored trapdoor spiders | 1 | Species | Taxom | | Linyphiidae Blackwall, 1859 | Dwarf spiders | 2 | Species | Taxom | | Lycosidae Lehtinen & H..., 1979 | Ground Spiders | 2 | Species | Taxom | | Mimetidae Simon, 1881 | Pirate spider | 2 | 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 | 3 | Species | Taxom | | Oxyopidae Thorell, 1870 | Lynx spiders | 3 | Species | Taxom | | Pholcidae C. L. Koch, 1851 | Carpenter spider | 3 | Species | Taxom | | Phrynidae Blanchard, 1852 | | 7 | Species | Taxom | | Pisauridae Simon, 1890 | Big wolf spider | 1 | Species | Taxom | | Salticidae Blackwall, 1842 | Jumping Spider | 63 | Species | Taxom | | Scytodidae Blackwall, 1864 | Glue spitter | 1 | Species | Taxom | | Senoculidae Simon, 1890 | Senoculid spiders | 1 | Species | Taxom | | Sicariidae Keyserling, 1880 | Brown recluse spiders | 1 | Species | Taxom | | Sparassidae Bertkau, 1872 | Giant crab spiders | 3 | Species | Taxom | | Tengellidae (Dahl, 1908) | Tengellid spiders | 0 | Species | Taxom | | Tetrablemmidae O. P-Cambridge, 1873 | Armored spider | 0 | Species | Taxom | | Tetragnathidae Menge, 1866 | Elongated Orb Weavers | 7 | Species | Taxom | | Theraphosidae Thorell, 1870 | Bird-eating spiders | 3 | Species | Taxom | | Theridiidae Sundevall, 1833 | Cobweb And Widow Spiders | 38 | Species | Taxom | | Theridiosomatidae Simon, 1881 | Ray orbweavers | 3 | Species | Taxom | | Thomisidae Sundevall, 1833 | Crab Spider | 4 | Species | Taxom | | Uloboridae Thorell, 1869 | Cribellate orb weavers | 0 | Species | Taxom |
Subnodes of Megoperculata with occurrences in Southeast Mexico | Order | Amblypygi Thorell, 1883 Amblypygids, Tail-less whip scorpions, tailless whip scorpions, Tailless Whipscorpions, whip scorpions, whip spider, Whip spiders, Whip-spiders | 1 2 7 | Family Genera Species | Taxom
| | Order | Araneae Clerck, 1757 Spider, Spiders, True Spiders | 34 142 195 | Families Genera Species | Taxom
| | Order | Palpigradi Thorell, 1900 micro-whip scorpions, Microscorpions, microwhip scorpion, Microwhip scorpions, Palpigrades | 1 1 0 | Family Genus Species | Taxom
| | Order | Uropygi O. P-Cambridge, 1872 Uropygids, vinegaroons, whip scorpion, whip scorpions, Whip-scorpions, Whipscorpions, Windscorpions | 1 5 7 | Family Genera Species | Taxom
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