Checklist for Class Arachnida Lamarck, 1801 (Arachnids) and region Mercer County (Missouri, USA)
List of families for Mercer County (Missouri) 24 Families width 39 Species and 1 Subspecies #ECADPSTLHOGB
| Eriophyidae Nalepa, 1898 | Blister mites | 1 | Species | Taxom | | Corinnidae Karsch, 1880 | Ant-like Sac Spiders | 2 | Species | Taxom | | Araneidae Simon, 1895 | Golden orb web spiders | 5 | Species | Taxom | | Aturidae Thor, 1900 | | 0 | Species | Taxom | | Cheliferidae Risso, 1826 | | 1 | Species | Taxom | | Dictynidae O. P-Cambridge, 1871 | Dictynid spiders | 2 | Species | Taxom | | Agelenidae (C. L. Koch, 1837) | Agelenid Spiders | 1 | Species | Taxom | | Pisauridae (Simon, 1890) | Big wolf spider | 1 | Species | Taxom | | Dysderidae C. L. Koch, 1837 | Dysderid spiders | 2 | Species | Taxom | | Salticidae (Blackwall, 1842) | Jumping Spider | 3 | Species | Taxom | | Trombiculidae Ewing, 1929 | Chigger mites | 1 | Species | Taxom | | Lycosidae Lehtinen & H..., 1979 | Ground Spiders | 1 | Species | Taxom | | Tetragnathidae Menge, 1866 | Elongated Orb Weavers | 2 | Species | Taxom | | Histiostomatidae Berlese, 1897 | | 1 | Species | Taxom | | Theridiidae Sundevall, 1833 | Cobweb And Widow Spiders | 3 | Species | Taxom | | Sclerosomatidae Simon, 1879 | Sclerosomatid Harvestmen | 1 | Species | Taxom | | Thomisidae Sundevall, 1833 | Crab Spider | 2 | Species | Taxom | | Linyphiidae Blackwall, 1859 | Dwarf spiders | 2 | Species | Taxom | | Phalangiidae Latreille, 1802 | Daddy-Long-Legs | 2 | Species | Taxom | | Oxyopidae Thorell, 1870 | Lynx spiders | 1 | Species | Taxom | | Gnaphosidae Pocock, 1898 | Flat-bellied ground spiders | 1 | Species | Taxom | | Tarsonemidae Kramer, 1877 | Tarsonemid mites | 1 | Species | Taxom | | Torrenticolidae Thor, 1902 | Torrent Mites | 2 | Species | Taxom | | Bothriuridae Simon, 1880 | | 1 | Species | Taxom |
Genera for Mercer County (Missouri) 38 Genera with 39 Species #ACDEGHLMNOPSTUWX
| Aculus Keifer, 1892 | | 1 | Species | Taxom | | Apochinomma Pavesi, 1896 | | 1 | Species | Taxom | | Araneus Clerck, 1847 | Angulate & roundshouldered orbweavers | 2 | Species | Taxom | Aturus Kramer, 1875 | | 0 | Species | Taxom | | Chelifer Geoffroy, 1758 | | 1 | Species | Taxom | | Cicurina Menge, 1887 | | 1 | Species | Taxom | | Coras Simon, 1887 | Funnel Web Spiders | 1 | Species | Taxom | | Cyclosa Menge, 1772 | Three-lobed Spiders | 1 | Species | Taxom | | Dolomedes Latreille, 1844 | Dock spiders | 1 | Species | Taxom | | Dysdera Latreille, 2001 | | 2 | Species | Taxom | | Emblyna Chamberlin, 1846 | | 1 | Species | Taxom | | Eris C. L. Koch, 1845 | | 1 | Species | Taxom | Euschoengastia Ewing, 1938 | | 0 | Species | Taxom | | Geolycosa Montgomery, 1895 | Burrowing wolf spiders | 1 | Species | Taxom | | Glenognatha Simon, 1894 | | 1 | Species | Taxom | | Histiostoma Kramer, 2001 | | 1 | Species | Taxom | | Larinioides Caporiacco, 1758 | Furrow spiders | 1 | Species | Taxom | | Latrodectus Walckenaer, 1775 | Black widow spider | 1 | Species | Taxom | | Leiobunum C. L. Koch, 1821 | Daddy Long Leg Spiders | 1 | Species | Taxom | | Mangora O. P.-Cambridge, 1847 | | 1 | Species | Taxom | | Meta C. L. Koch, 1804 | Cave Orb Weavers | 1 | Species | Taxom | | Misumena Latreille, 1758 | Flower crab spiders | 1 | Species | Taxom | | Neospintharus Exline, 1850 | | 1 | Species | Taxom | | Neriene Blackwall, 1842 | | 1 | Species | Taxom | | Opilio Herbst, 1778 | | 1 | Species | Taxom | | Oxyopes Latreille, 1845 | Lynx Spiders | 1 | Species | Taxom | | Pelegrina Franganillo, 1837 | White-Cheeked Jumping Spiders | 1 | Species | Taxom | | Phalangium Linnaeus, 1761 | | 1 | Species | Taxom | | Pityohyphantes Simon, 1850 | Hammock Spiders | 1 | Species | Taxom | | Salticus Latreille, 1757 | Zebra Spider | 1 | Species | Taxom | | Sergiolus Simon, 1837 | | 1 | Species | Taxom | | Tarsonemus Canestrini &..., 1921 | | 1 | Species | Taxom | | Theridion Walckenaer, 1850 | Tangle-Web Spiders | 1 | Species | Taxom | | Torrenticola Piersig, 1943 | Water Mites | 2 | Species | Taxom | | Trachelas L. Koch, 1847 | Running Spider | 1 | Species | Taxom | | Urophonius Pocock, 1876 | | 1 | Species | Taxom | | Walchia Ewing, 1964 | | 1 | Species | Taxom | | Xysticus Koch, 1880 | Ground Crab Spider | 1 | Species | Taxom |
Species list for Mercer County (Missouri) 39 Species and 1 Subspecies | Aculus acraspis Nalepa, 1892 | | | Apochinomma formica Eugène Simon, 1896 | | | Araneus diadematus Clerck, 1758 | Cross orbweaver | | Araneus trifolium Hentz, 1847 | Shamrock orbweaver | | Chelifer cancroides Linnaeus, 1758 | Book pseudoscorpion | | Cicurina arcuata (Eugen von Ke..., 1887) | ⇒ Cicurina arcata Ralph Vary C..., 1940 | | Coras lamellosus (Eugen von Ke..., 1887) | ⇒ Coras aerialis Muma, 1946 | | Cyclosa conica Pallas, 1772 | Conical Trashline Orbweaver | | Dolomedes tenebrosus (Nicholas Mar..., 1844) | ⇒ Dolomedes vittatus Charles Atha..., 1837 | | Dysdera nomada Eugène Simon, 1910 | Stocky cerith | | Dysdera pristiphora Carlo Pesarini, 2001 | | | Emblyna annulipes John Blackwall, 1846 | | | Eris militaris Nicholas Mar..., 1845 | Bronze jumper | | Geolycosa missouriensis Richard C. B..., 1895 | | | Glenognatha foxi McCook, 1894 | Longjawed orb weavers | | Histiostoma (Histiostoma) heriades Fain & Pauly, 2001 | | | Larinioides cornutus Clerck, 1758 | Furrow orb spider | | Latrodectus mactans (Fabricius, 1775) | ⇒ Latrodectus tredecimguttatus Rossi, 1790 | | Leiobunum vittatum Say, 1821 | Eastern Harvestman | | Mangora placida Hentz, 1847 | Tuft-Legged Orb Weaver | | Meta menardi Latreille, 1804 | Cave orbweaver | | Misumena vatia Clerck, 1758 | Crab Spider | | Neospintharus trigonum Nicholas Mar..., 1850 | Horned Parasitic Cobweaver | | Neriene radiata Walckenaer, 1842 | Filmy dome spider | | Opilio parietinus De Geer, 1778 | | | Oxyopes salticus Hentz, 1845 | Lynx spider | | Pelegrina proterva Charles Atha..., 1837 | Common White-Cheeked Jumping Spider | | Phalangium opilio Linnaeus, 1761 | Brown daddy-long-legs | | Pityohyphantes costatus Nicholas Mar..., 1850 | Hammock spider | | Salticus scenicus (Clerck, 1757) | ⇒ Salticus cingulatus Panzer, 1797 | | Sergiolus capulatus Walckenaer, 1837 | | | Tarsonemus (Tarsonemus) apis Rennie, 1921 | | | Theridion frondeum Nicholas Mar..., 1850 | Eastern Long-Legged Cobweaver | | Torrenticola (Torrenticola) indistincta Marshall, 1929 | | | Torrenticola (Torrenticola) tahoei Marshall, 1943 | | | Trachelas tranquillus Nicholas Mar..., 1847 | Broad faced sac spider | | Urophonius brachycentrus brachycentrus Thorell, 1876 | | | Walchia (Wenia) isonychia Nadchatram &..., 1964 | | | Xysticus elegans Eugen von Ke..., 1880 | Elegant crab spider |
Subnodes of Arachnida with occurrences in Mercer County (Missouri)
 | | 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
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