Checklist for Class Arachnida Lamarck, 1801 (Arachnids) and region Maryland (USA)
List of families for Maryland 93 Families width 329 Species and 2 Subspecies #ABCDEGHIKLMNOPRSTUVZ
| Acaridae Latreille, 1802 | Acarid mites | 3 | Species | Taxom | | Agelenidae C. L. Koch, 1837 | Agelenid Spiders | 4 | Species | Taxom | | Amaurobiidae Thorell, 1870 | Amaurobiids | 2 | Species | Taxom | | Amblyommidae Banks, 1907 | | 3 | Species | Taxom | | Anyphaenidae Bertkau, 1878 | Anyphaenid sac spiders | 2 | Species | Taxom | | Anystidae Oudemans, 1936 | Whirligig Mites | 0 | Species | Taxom | | Araneidae Simon, 1895 | Golden orb web spiders | 44 | Species | Taxom | | Argasidae C. L. Koch, 1844 | Soft tick | 2 | Species | Taxom | | Ascidae Oudemans, 1905 | | 5 | Species | Taxom | | Atypidae Thorell, 1870 | Atypical tarantulas | 2 | Species | Taxom | | Buthidae C. L. Koch, 1837 | Arrowbreasted scorpions | 1 | Species | Taxom | | Cheliferidae Risso, 1826 | | 1 | Species | Taxom | | Cheyletidae Leach, 1815 | | 1 | Species | Taxom | | Chthoniidae Daday, 1888 | | 1 | Species | Taxom | | Clubionidae Wagner, 1887 | Clubiones | 1 | Species | Taxom | | Cocceupodidae Jesionowska, 2010 | | 0 | Species | Taxom | | Corinnidae Karsch, 1880 | Ant-like Sac Spiders | 6 | Species | Taxom | | Cosmetidae C. L. Koch, 1839 | | 1 | Species | Taxom | | Ctenizidae Thorell, 1887 | Cork-lid trapdoor spider | 1 | Species | Taxom | | Cunaxidae Thor, 1902 | Predatory Mites | 2 | Species | Taxom | | Demodecidae Nicolet, 1855 | Follicle mites | 1 | Species | Taxom | | Dermanyssidae Kolenati, 1859 | Dermanyssid mites | 2 | Species | Taxom | | Dictynidae O. P-Cambridge, 1871 | Dictynid spiders | 1 | Species | Taxom | | Digamasellidae Evans, 1957 | | 1 | Species | Taxom | | Diplogyniidae Trägårdh, 1941 | | 0 | Species | Taxom | | Dysderidae C. L. Koch, 1837 | Dysderid spiders | 2 | Species | Taxom | | Entonyssidae Ewing, 1922 | | 0 | Species | Taxom | | Epicriidae Berlese, 1885 | | 0 | Species | Taxom | | Epidermoptidae Trouessart, 1892 | | 0 | Species | Taxom | | Ereynetidae Schrank, 1776 | | 1 | Species | Taxom | | Eriophyidae Nalepa, 1898 | Blister mites | 6 | Species | Taxom | | Galumnidae Jacot, 1925 | | 1 | Species | Taxom | | Glycyphagidae De Geer, 1778 | | 0 | Species | Taxom | | Gnaphosidae Pocock, 1898 | Flat-bellied ground spiders | 7 | Species | Taxom | | Hahniidae Bertkau, 1878 | Dwarf sheet spiders | 1 | Species | Taxom | | Harpirhynchidae Dubinin, 1957 | | 2 | Species | Taxom | | Histiostomatidae Berlese, 1897 | | 3 | Species | Taxom | | Hydryphantidae Piersig, 1896 | | 1 | Species | Taxom | | Ixodidae C. L. Koch, 1844 | Hard Tick | 5 | Species | Taxom | | Knemidokoptidae (Lavoipierre ..., 1951) | | 1 | Species | Taxom | | Laelapidae Berlese, 1892 | | 2 | Species | Taxom | | Linyphiidae Blackwall, 1859 | Dwarf spiders | 8 | Species | Taxom | | Listrophoridae Mégnin & Tro..., 1884 | | 2 | Species | Taxom | | Lycosidae Lehtinen & H..., 1979 | Ground Spiders | 20 | Species | Taxom | | Macrochelidae Vitzthum, 1930 | | 4 | Species | Taxom | | Macronyssidae Oudemans, 1936 | Macronyssid Mites | 3 | Species | Taxom | | Mimetidae Simon, 1881 | Pirate spider | 2 | Species | Taxom | | Miturgidae Simon, 1885 | Long-legged sac spiders | 2 | Species | Taxom | | Myobiidae Megnin, 1877 | | 2 | Species | Taxom | | Myocoptidae Gunther, 1942 | | 0 | Species | Taxom | | Mysmenidae Petrunkevitch, 1928 | Dwarf cobweb spiders | 1 | Species | Taxom | | Nemastomatidae Simon, 1872 | | 1 | Species | Taxom | | Neobisiidae Chamberlin, 1930 | | 1 | Species | Taxom | | Nosybelbidae Mahunka, 1994 | | 0 | Species | Taxom | | Oecobiidae Blackwall, 1862 | Disc web spider | 1 | Species | Taxom | | Ologamasidae Ryke, 1962 | | 3 | Species | Taxom | | Oxyopidae Thorell, 1870 | Lynx spiders | 3 | Species | Taxom | | Pachylaelapidae Berlese, 1913 | | 1 | Species | Taxom | | Parasitidae Oudemans, 1901 | Beetle Mites | 1 | Species | Taxom | | Phalangiidae Latreille, 1802 | Daddy-Long-Legs | 6 | Species | Taxom | | Philodromidae Thorell, 1870 | False crab spiders | 2 | Species | Taxom | | Pholcidae C. L. Koch, 1851 | Carpenter spider | 4 | Species | Taxom | | Phytoseiidae Berlese, 1916 | Phytoseiid mites | 1 | Species | Taxom | | Pisauridae Simon, 1890 | Big wolf spider | 7 | Species | Taxom | | Psorergatidae Womersley, 1941 | | 0 | Species | Taxom | | Psoroptidae Hering, 1838 | Scab mites | 2 | Species | Taxom | | Pygmephoridae Krczal, 1964 | | 1 | Species | Taxom | | Raillietiidae Vitzthum, 1943 | | 1 | Species | Taxom | | Rhinonyssidae Trouessart, 1895 | | 1 | Species | Taxom | | Salticidae Blackwall, 1842 | Jumping Spider | 51 | Species | Taxom | | Sarcoptidae Megnin, 1877 | Itch mites | 1 | Species | Taxom | | Sclerosomatidae Simon, 1879 | Sclerosomatid Harvestmen | 13 | Species | Taxom | | Segestriidae Simon, 1893 | Six-eyed Spiders | 1 | Species | Taxom | | Sicariidae Keyserling, 1880 | Brown recluse spiders | 1 | Species | Taxom | | Sironidae Simon, 1879 | | 1 | Species | Taxom | | Stigmaeidae Wood, 1967 | | 0 | Species | Taxom | | Syringophilidae Lavoipierre, 1953 | Quill mites | 6 | Species | Taxom | | Tarsonemidae Kramer, 1877 | Tarsonemid mites | 1 | Species | Taxom | | Tenuipalpidae Berlese, 1913 | False spider mites | 1 | Species | Taxom | | Tetragnathidae Menge, 1866 | Elongated Orb Weavers | 7 | Species | Taxom | | Tetranychidae Donnadieu, 1875 | Spider mites | 6 | Species | Taxom | | Theridiidae Sundevall, 1833 | Cobweb And Widow Spiders | 21 | Species | Taxom | | Theridiosomatidae Simon, 1881 | Ray orbweavers | 1 | Species | Taxom | | Thomisidae Sundevall, 1833 | Crab Spider | 11 | Species | Taxom | | Travuniidae Absolon & Kr..., 1932 | | 1 | Species | Taxom | | Trombiculidae Ewing, 1929 | Chigger mites | 1 | Species | Taxom | | Trombidiidae Leach, 1815 | Beer Bahuti | 0 | Species | Taxom | | Tydeidae Kramer, 1877 | Tydeid mites | 0 | Species | Taxom | | Uloboridae Thorell, 1869 | Cribellate orb weavers | 2 | Species | Taxom | | Urodinychidae Berlese, 1917 | | 1 | Species | Taxom | | Uropodidae Kramer, 1881 | | 1 | Species | Taxom | | Veigaiidae Oudemans, 1939 | | 2 | Species | Taxom | | Zerconidae Berlese, 1892 | | 0 | Species | Taxom |
Subnodes of Arachnida with occurrences in Maryland
 | | 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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