Checklist for Class Arachnida Lamarck, 1801 (Arachnids)
and region Williams County (North Dakota, USA)
List of families for Williams County (North Dakota)
22 Families width 69 Species #ALCTGDPMHS
| Agelenidae C. L. Koch, 1837 | Agelenid Spiders | 2 | Species | Taxom | | Linyphiidae Blackwall, 1859 | Dwarf spiders | 2 | Species | Taxom | | Lycosidae Lehtinen & H..., 1979 | Ground Spiders | 9 | Species | Taxom | | Amaurobiidae Thorell, 1870 | Amaurobiids | 1 | Species | Taxom | | Corinnidae Karsch, 1880 | Ant-like Sac Spiders | 2 | Species | Taxom | | Araneidae Simon, 1895 | Golden orb web spiders | 9 | Species | Taxom | | Thomisidae Sundevall, 1833 | Crab Spider | 4 | Species | Taxom | | Gnaphosidae Pocock, 1898 | Flat-bellied ground spiders | 13 | Species | Taxom | | Amblyommidae Banks, 1907 | | 1 | Species | Taxom | | Dictynidae O. P-Cambridge, 1871 | Dictynid spiders | 7 | Species | Taxom | | Pisauridae Simon, 1890 | Big wolf spider | 2 | Species | Taxom | | Chernetidae Menge, 1855 | | 1 | Species | Taxom | | Theridiidae Sundevall, 1833 | Cobweb And Widow Spiders | 4 | Species | Taxom | | Mimetidae Simon, 1881 | Pirate spider | 1 | Species | Taxom | | Hahniidae Bertkau, 1878 | Dwarf sheet spiders | 1 | Species | Taxom | | Tetranychidae Donnadieu, 1875 | Spider mites | 2 | Species | Taxom | | Phalangiidae Latreille, 1802 | Daddy-Long-Legs | 1 | Species | Taxom | | Salticidae (Blackwall, 1842) | Jumping Spider | 1 | Species | Taxom | | Pholcidae (C. L. Koch, 1851) | Carpenter spider | 1 | Species | Taxom | | Tetragnathidae Menge, 1866 | Elongated Orb Weavers | 3 | Species | Taxom | | Philodromidae (Thorell, 1870) | False crab spiders | 1 | Species | Taxom | | Sclerosomatidae Simon, 1879 | Sclerosomatid Harvestmen | 1 | Species | Taxom |
Genera for Williams County (North Dakota)
46 Genera with 69 Species #ABCDEGHLMNOPSTXZ
| Agelenopsis Giebel, 1933 | American grass spiders | 2 | Species | Taxom | | Agyneta Hull, 1926 | | 2 | Species | Taxom | | Alopecosa Simon, 1877 | Fox spiders | 2 | Species | Taxom | | Amaurobius Koch, 1909 | | 1 | Species | Taxom | | Apochinomma Pavesi, 1896 | | 1 | Species | Taxom | | Araneus Clerck, 1872 | Angulate & roundshouldered orbweavers | 3 | Species | Taxom | | Bassaniana Strand, 1932 | Bark crab spiders | 1 | Species | Taxom | | Callilepis Westring, 1896 | | 1 | Species | Taxom | | Dermacentor Koch, 1821 | Dog Ticks | 1 | Species | Taxom | | Dictyna Sundevall, 1881 | | 4 | Species | Taxom | | Dolomedes Latreille, 1844 | Dock spiders | 1 | Species | Taxom | | Drassyllus Chamberlin, 1900 | | 2 | Species | Taxom | | Emblyna Chamberlin, 1946 | | 2 | Species | Taxom | | Geolycosa Montgomery, 1895 | Burrowing wolf spiders | 1 | Species | Taxom | | Gnaphosa Latreille, 1896 | | 5 | Species | Taxom | | Hackmania Lehtinen, 1948 | | 1 | Species | Taxom | | Haplodrassus Chamberlin, 1839 | | 1 | Species | Taxom | | Hogna Simon, 1805 | | 1 | Species | Taxom | | Hypsosinga Ausserer, 1831 | | 1 | Species | Taxom | | Lamprochernes Tömösváry, 1949 | | 1 | Species | Taxom | | Larinia Simon, 1894 | | 1 | Species | Taxom | | Larinioides Caporiacco, 1758 | Furrow spiders | 2 | Species | Taxom | | Latrodectus Walckenaer, 1935 | Black widow spider | 1 | Species | Taxom | | Micaria Westring, 1831 | | 2 | Species | Taxom | | Micrathena Sundevall, 1805 | | 1 | Species | Taxom | | Mimetus Hentz, 1882 | Pirate spiders | 1 | Species | Taxom | | Misumena Latreille, 1758 | Flower crab spiders | 1 | Species | Taxom | | Neoantistea Gertsch, 1887 | | 1 | Species | Taxom | | Oligonychus Berlese, 1905 | | 1 | Species | Taxom | | Parasteatoda Archer, 1841 | Comb-Clawed Spider | 1 | Species | Taxom | | Pardosa C. L. Koch, 1877 | Thin-legged Wolf Spider | 3 | Species | Taxom | | Phalangium Linnaeus, 1761 | | 1 | Species | Taxom | | Phidippus C. L. Koch, 1845 | | 1 | Species | Taxom | | Pholcus Walckenaer, 1775 | | 1 | Species | Taxom | | Pirata Sundevall, 1904 | Pirate wolf spiders | 2 | Species | Taxom | | Pisaurina Simon, 1837 | | 1 | Species | Taxom | | Scotinella Banks, 1890 | | 1 | Species | Taxom | | Sergiolus Simon, 1890 | | 1 | Species | Taxom | | Steatoda Sundevall, 1802 | False black widows | 2 | Species | Taxom | | Tetragnatha Latreille, 1842 | Four-jawed spider | 3 | Species | Taxom | | Tetranychus Dufour, 1836 | | 1 | Species | Taxom | | Tibellus Simon, 1802 | Slender Crab Spider | 1 | Species | Taxom | | Togwoteeus Roewer, 1877 | Togwot´s harvestmen | 1 | Species | Taxom | | Xysticus Koch, 1884 | Ground Crab Spider | 2 | Species | Taxom | | Zelotes Gistel, 1955 | | 1 | Species | Taxom | | Zygiella F. O. P.-Cam..., 1964 | | 1 | Species | Taxom |
Species list for Williams County (North Dakota)
69 Species | Agelenopsis pennsylvanica Carl Ludwig ..., 1843 | | | Agelenopsis utahana Ralph Vary C..., 1933 | | | Agyneta fabra Keyserling, 1886 | | | Agyneta simplex Emerton, 1926 | | | Alopecosa aculeata Clerck, 1758 | | | Alopecosa kochi Keyserling, 1877 | | | Amaurobius borealis James Henry ..., 1909 | Largeleaf sphagnum | | Apochinomma formica Eugène Simon, 1896 | | | Araneus diadematus Clerck, 1758 | Cross orbweaver | | Araneus marmoreus Clerck, 1757 | Marbled Orb Weaver | | Araneus saevus L. Koch, 1872 | Fierce Orbweaver | | Bassaniana utahensis Willis J. Ge..., 1932 | | | Callilepis pluto Nathan Banks, 1896 | | | Dermacentor variabilis Say, 1821 | American dog tick | | Dictyna arundinacea (Linnaeus, 1758) | ⇒ Archaeodictyna consecuta Octavius Pic..., 1872 | | Dictyna brevitarsa James Henry ..., 1915 | Florida sphagnum | | Dictyna major Menge, 1869 | | | Dictyna volucripes Eugen von Ke..., 1881 | Mesh weaver | | Dolomedes tenebrosus (Nicholas Mar..., 1844) | ⇒ Dolomedes vittatus Charles Atha..., 1837 | | Drassyllus depressus Emerton, 1890 | | | Drassyllus insularis Banks, 1900 | | | Emblyna annulipes John Blackwall, 1846 | | | Emblyna peragrata Bishop & Rud..., 1946 | | | Geolycosa missouriensis Richard C. B..., 1895 | | | Gnaphosa borea KulczyÅ„ski, 1908 | Annual buckwheat | | Gnaphosa brumalis Tord Tamerla..., 1875 | | | Gnaphosa microps (Holm, 1939) | ⇒ Gnaphosa sticta KulczyÅ„ski, 1908 | | Gnaphosa muscorum (Carl Ludwig ..., 1866) | ⇒ Gnaphosa similis KulczyÅ„ski, 1926 | | Gnaphosa parvula Nathan Banks, 1896 | | | Hackmania prominula Albert Tullgren, 1948 | | | Haplodrassus signifer (C. L. Koch, 1839) | ⇒ Haplodrassus pugnans Simon, 1880 | | Hogna carolinensis Charles Atha..., 1805 | Carolina wolf spider | | Hypsosinga pygmaea Sundevall, 1831 | | | Lamprochernes minor Hoff, 1949 | Chinese elm | | Larinia borealis Banks, 1894 | | | Larinioides cornutus Clerck, 1758 | Furrow orb spider | | Larinioides patagiatus Clerck, 1758 | Ornamental Orbweaver | | Latrodectus hesperus Chamberlin &..., 1935 | Western black widow | | Micaria constricta (Emerton, 1894) | ⇒ Micaria formicaria Sundevall, 1831 | | Micaria pulicaria Sundevall, 1831 | Glossy ant spider | | Micrathena gracilis Charles Atha..., 1805 | Orb Weavers | | Mimetus epeiroides Emerton, 1882 | | | Misumena vatia Clerck, 1758 | Crab Spider | | Neoantistea agilis Keyserling, 1887 | | | Oligonychus (Oligonychus) ununguis Jacobi, 1905 | Common conifer spider mite | | Parasteatoda tepidariorum C. L. Koch, 1841 | American house false widow spider | | Pardosa fuscula Tord Tamerla..., 1875 | | | Pardosa moesta Banks, 1892 | | | Pardosa xerampelina Eugen von Ke..., 1877 | | | Phalangium opilio Linnaeus, 1761 | Brown daddy-long-legs | | Phidippus audax (Nicholas Mar..., 1845) | ⇒ Salticus variegatus Hentz, 1845 | | Pholcus phalangioides (Fuesslin, 1775) | ⇒ Smeringopus pallidus Blackwall, 1858 | | Pirata piraticus (Clerck, 1757) | ⇒ Trebacosa marxi Witmer Stone, 1890 | | Pirata sedentarius M. E. Montgo..., 1904 | | | Pisaurina mira Charles Atha..., 1837 | American Nursery Web Spider | | Scotinella pugnata James Henry ..., 1890 | | | Sergiolus montanus Emerton, 1890 | | | Steatoda borealis Nicholas Mar..., 1850 | Boreal Combfoot | | Steatoda triangulosa Walckenaer, 1802 | Triangulate bud spider | | Tetragnatha extensa (Linnaeus, 1758) | ⇒ Tetragnatha montana Simon, 1874 | | Tetragnatha laboriosa Hentz, 1850 | Longjawed orb weavers | | Tetragnatha versicolor Walckenaer, 1842 | | | Tetranychus (Tetranychus) urticae C. L. Koch, 1836 | Carmine spider mite | | Tibellus oblongus (Walckenaer, 1802) | ⇒ Tibellus maritimus Menge, 1875 | | Togwoteeus biceps Thorell, 1877 | | | Xysticus ellipticus Turnbull, Ch..., 1965 | Deepwater cat shark | | Xysticus nigromaculatus Eugen von Ke..., 1884 | Guinea ant | | Zelotes sula Lowrie & Ger..., 1955 | | | Zygiella nearctica Willis J. Ge..., 1964 | |
Subnodes of Arachnida with occurrences in Williams County (North Dakota)
 | | 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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