Checklist for Infraclass Megoperculata Börner, 1902 and region Okinawa Islands (Ryukyu Islands, Japan)
List of families for Okinawa Islands 38 Families width 272 Species and 1 Subspecies #ACDFGHLMNOPSTUZ
| Agelenidae C. L. Koch, 1837 | Agelenid Spiders | 15 | Species | Taxom | | Anapidae Simon, 1895 | Anapid spiders | 1 | Species | Taxom | | Araneidae Simon, 1895 | Golden orb web spiders | 37 | Species | Taxom | | Clubionidae Wagner, 1887 | Clubiones | 9 | Species | Taxom | | Corinnidae Karsch, 1880 | Ant-like Sac Spiders | 1 | Species | Taxom | | Ctenidae Keyserling, 1877 | Tropical wolf spiders | 2 | Species | Taxom | | Ctenizidae Thorell, 1887 | Cork-lid trapdoor spider | 3 | Species | Taxom | | Desidae Pocock, 1895 | Desid spiders | 4 | Species | Taxom | | Dictynidae O. P-Cambridge, 1871 | Dictynid spiders | 1 | Species | Taxom | | Filistatidae Ausserer, 1867 | Crevice weaver | 1 | Species | Taxom | | Gnaphosidae Pocock, 1898 | Flat-bellied ground spiders | 7 | Species | Taxom | | Hahniidae Bertkau, 1878 | Dwarf sheet spiders | 0 | Species | Taxom | | Hersiliidae Thorell, 1870 | Hersiliids | 2 | Species | Taxom | | Hexathelidae Simon, 1892 | Australian funnelweb spiders | 3 | Species | Taxom | | Hubbardiidae Cook, 1899 | Hubbardiid shorttailed whipscorpions | 1 | Species | Taxom | | Leptonetidae Simon, 1890 | Cave spiders | 2 | Species | Taxom | | Linyphiidae Blackwall, 1859 | Dwarf spiders | 9 | Species | Taxom | | Liphistiidae Thorell, 1869 | Primitive burrowing spiders | 6 | 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 | 0 | Species | Taxom | | Nemesiidae Simon, 1892 | Tube Trapdoor Spiders | 1 | Species | Taxom | | Ochyroceratidae Fage, 1912 | Midget ground weaver | 1 | Species | Taxom | | Oecobiidae Blackwall, 1862 | Disc web spider | 2 | Species | Taxom | | Oxyopidae Thorell, 1870 | Lynx spiders | 2 | Species | Taxom | | Philodromidae Thorell, 1870 | False crab spiders | 3 | Species | Taxom | | Pholcidae C. L. Koch, 1851 | Carpenter spider | 8 | Species | Taxom | | Pisauridae Simon, 1890 | Big wolf spider | 8 | Species | Taxom | | Salticidae Blackwall, 1842 | Jumping Spider | 27 | Species | Taxom | | Scytodidae Blackwall, 1864 | Glue spitter | 1 | Species | Taxom | | Sparassidae Bertkau, 1872 | Giant crab spiders | 8 | Species | Taxom | | Tetrablemmidae O. P-Cambridge, 1873 | Armored spider | 0 | Species | Taxom | | Tetragnathidae Menge, 1866 | Elongated Orb Weavers | 25 | Species | Taxom | | Thelyphonidae Lucas, 1835 | | 0 | Species | Taxom | | Theridiidae Sundevall, 1833 | Cobweb And Widow Spiders | 38 | Species | Taxom | | Thomisidae Sundevall, 1833 | Crab Spider | 21 | Species | Taxom | | Uloboridae Thorell, 1869 | Cribellate orb weavers | 9 | Species | Taxom | | Zodariidae Thorell, 1881 | Ant spiders | 3 | Species | Taxom |
Subnodes of Megoperculata with occurrences in Okinawa Islands | Order | Araneae Clerck, 1757 Spider, Spiders, True Spiders | 36 162 271 | Families Genera Species | Taxom
| | Order | Uropygi O. P-Cambridge, 1872 Uropygids, vinegaroons, whip scorpion, whip scorpions, Whip-scorpions, Whipscorpions, Windscorpions | 2 3 1 | Families Genera Species | Taxom
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