Checklist for Class Arachnida Lamarck, 1801 (Arachnids)
and region Pennsylvania (USA)
List of families for Pennsylvania
126 Families width 484 Species and 2 Subspecies #ABCDEFGHILMNOPRSTUVWZ
| Acaridae Latreille, 1802 | Acarid mites | 2 | Species | Taxom | | Agelenidae C. L. Koch, 1837 | Agelenid Spiders | 7 | Species | Taxom | | Algophagidae Fain, 1974 | | 1 | Species | Taxom | | Alloptidae Gaud, 1957 | | 1 | Species | Taxom | | Amaurobiidae Thorell, 1870 | Amaurobiids | 3 | Species | Taxom | | Amblyommidae Banks, 1907 | | 5 | Species | Taxom | | Ameroseiidae Evans, 1961 | | 0 | Species | Taxom | | Antennophoridae Berlese, 1892 | | 0 | Species | Taxom | | Antrodiaetidae Gertsch, 1940 | Folding trapdoor spider | 2 | Species | Taxom | | Anyphaenidae Bertkau, 1878 | Anyphaenid sac spiders | 5 | Species | Taxom | | Araneidae Simon, 1895 | Golden orb web spiders | 51 | Species | Taxom | | Argasidae C. L. Koch, 1844 | Soft tick | 1 | Species | Taxom | | Ascidae Oudemans, 1905 | | 1 | Species | Taxom | | Aturidae Thor, 1900 | | 1 | Species | Taxom | | Atypidae Thorell, 1870 | Atypical tarantulas | 3 | Species | Taxom | | Blattisociidae (Garman, 1948) | | 1 | Species | Taxom | | Bothriuridae Simon, 1880 | | 1 | Species | Taxom | | Buthidae C. L. Koch, 1837 | Arrowbreasted scorpions | 1 | Species | Taxom | | Caddidae Banks, 1892 | | 1 | Species | Taxom | | Canestriniidae Berlese, 1884 | | 1 | Species | Taxom | | Carabodidae Koch, 1837 | | 2 | Species | Taxom | | Chaetodactylidae Zakhvatkin, 1941 | | 0 | Species | Taxom | | Cheliferidae Risso, 1826 | | 3 | Species | Taxom | | Chernetidae Menge, 1855 | | 3 | Species | Taxom | | Cheyletidae Leach, 1815 | | 2 | Species | Taxom | | Chthoniidae Daday, 1888 | | 3 | Species | Taxom | | Clubionidae Wagner, 1887 | Clubiones | 5 | Species | Taxom | | Corinnidae Karsch, 1880 | Ant-like Sac Spiders | 11 | Species | Taxom | | Cybaeidae Banks, 1892 | Pond Water Spiders | 1 | Species | Taxom | | Demodecidae Nicolet, 1855 | Follicle mites | 3 | Species | Taxom | | Dermanyssidae Kolenati, 1859 | Dermanyssid mites | 1 | Species | Taxom | | Diarthrophallidae Trägårdh, 1946 | | 0 | Species | Taxom | | Dictynidae O. P-Cambridge, 1871 | Dictynid spiders | 7 | Species | Taxom | | Digamasellidae Evans, 1957 | | 0 | Species | Taxom | | Diplogyniidae Trägårdh, 1941 | | 0 | Species | Taxom | | Dysderidae C. L. Koch, 1837 | Dysderid spiders | 3 | Species | Taxom | | Entonyssidae Ewing, 1922 | | 0 | Species | Taxom | | Eoscorpiidae Scudder, 1884 | | 1 | Species | Taxom | | Eremobatidae Kraepelin, 1899 | | 2 | Species | Taxom | | Ereynetidae Schrank, 1776 | | 1 | Species | Taxom | | Eriophyidae Nalepa, 1898 | Blister mites | 11 | Species | Taxom | | Erythraeidae Oudemans, 1902 | | 1 | Species | Taxom | | Eviphididae Berlese, 1913 | | 1 | Species | Taxom | | Feltriidae Viets, 1926 | | 1 | Species | Taxom | | Galeodidae Sundevall, 1833 | | 1 | Species | Taxom | | Garnettiidae Dubinin, 1962 | | 1 | Species | Taxom | | Garypidae Simon, 1879 | | 1 | Species | Taxom | | Gastronyssidae Fain, 1956 | | 1 | Species | Taxom | | Glycyphagidae De Geer, 1778 | | 1 | Species | Taxom | | Gnaphosidae Pocock, 1898 | Flat-bellied ground spiders | 13 | Species | Taxom | | Hahniidae Bertkau, 1878 | Dwarf sheet spiders | 2 | Species | Taxom | | Halacaridae Murray, 1877 | Sea mites | 1 | Species | Taxom | | Halarachnidae Oudemans, 1906 | | 1 | Species | Taxom | | Harpirhynchidae Dubinin, 1957 | | 3 | Species | Taxom | | Histiostomatidae Berlese, 1897 | | 4 | Species | Taxom | | Iolinidae Pritchard, 1956 | | 0 | Species | Taxom | | Ixodidae C. L. Koch, 1844 | Hard Tick | 6 | Species | Taxom | | Labidostommatidae Oudemans, 1904 | | 0 | Species | Taxom | | Laelapidae Berlese, 1892 | | 2 | Species | Taxom | | Leptolaelapidae Karg, 1978 | | 1 | Species | Taxom | | Linyphiidae Blackwall, 1859 | Dwarf spiders | 29 | Species | Taxom | | Liocranidae Simon, 1897 | Liocranid sac spiders | 1 | Species | Taxom | | Lycosidae Lehtinen & H..., 1979 | Ground Spiders | 29 | Species | Taxom | | Macrochelidae Vitzthum, 1930 | | 2 | Species | Taxom | | Macronyssidae Oudemans, 1936 | Macronyssid Mites | 1 | Species | Taxom | | Microtrombidiidae Womersley, 1936 | Micro velvet mites | 2 | Species | Taxom | | Mideopsidae Koenike, 1910 | | 1 | Species | Taxom | | Mimetidae Simon, 1881 | Pirate spider | 2 | Species | Taxom | | Miturgidae Simon, 1885 | Long-legged sac spiders | 3 | Species | Taxom | | Myobiidae Megnin, 1877 | | 3 | Species | Taxom | | Myocoptidae Gunther, 1942 | | 2 | Species | Taxom | | Nemastomatidae Simon, 1872 | | 1 | Species | Taxom | | Neoacaridae (Motas & Tana..., 1947) | | 1 | Species | Taxom | | Neobisiidae Chamberlin, 1930 | | 1 | Species | Taxom | | Neopygmephoridae Cross, 1965 | | 1 | Species | Taxom | | Opsieobuthidae (Kjellesvig-W..., 1986) | | 1 | Species | Taxom | | Otopheidomenidae Treat, 1955 | | 1 | Species | Taxom | | Oxyopidae Thorell, 1870 | Lynx spiders | 2 | Species | Taxom | | Pachylaelapidae Berlese, 1913 | | 1 | Species | Taxom | | Palaeocharinidae Hirst, 1923 | | 1 | Species | Taxom | | Paraisobuthidae Kjellesvig-W..., 1986 | | 1 | Species | Taxom | | Parasitidae Oudemans, 1901 | Beetle Mites | 4 | Species | Taxom | | Phalangiidae Latreille, 1802 | Daddy-Long-Legs | 2 | Species | Taxom | | Philodromidae Thorell, 1870 | False crab spiders | 11 | Species | Taxom | | Pholcidae C. L. Koch, 1851 | Carpenter spider | 4 | Species | Taxom | | Phytoptidae Manson, 1970 | | 1 | Species | Taxom | | Phytoseiidae Berlese, 1916 | Phytoseiid mites | 7 | Species | Taxom | | Pisauridae Simon, 1890 | Big wolf spider | 7 | Species | Taxom | | Proctophyllodidae Trouessart &..., 1884 | | 1 | Species | Taxom | | Psorergatidae Womersley, 1941 | | 1 | Species | Taxom | | Pterolichidae Trouessart, 1899 | | 0 | Species | Taxom | | Pygmephoridae Krczal, 1964 | | 1 | Species | Taxom | | Rhinonyssidae Trouessart, 1895 | | 0 | Species | Taxom | | Rosensteiniidae Cooreman, 1954 | | 1 | Species | Taxom | | Sabaconidae Dresco, 1970 | Sabaconid Harvestmen | 0 | Species | Taxom | | Salticidae Blackwall, 1842 | Jumping Spider | 65 | Species | Taxom | | Sarcoptidae Megnin, 1877 | Itch mites | 1 | Species | Taxom | | Sclerosomatidae Simon, 1879 | Sclerosomatid Harvestmen | 10 | Species | Taxom | | Scutacaridae Paoli, 1911 | | 0 | Species | Taxom | | Segestriidae Simon, 1893 | Six-eyed Spiders | 1 | Species | Taxom | | Siteroptidae Martin, 1978 | Siteroptid mites | 2 | Species | Taxom | | Sparassidae Bertkau, 1872 | Giant crab spiders | 1 | Species | Taxom | | Suidasiidae Hughes, 1948 | | 1 | Species | Taxom | | Syringophilidae Lavoipierre, 1953 | Quill mites | 2 | Species | Taxom | | Tanaupodidae Thor, 1935 | | 1 | Species | Taxom | | Tarsonemidae Kramer, 1877 | Tarsonemid mites | 4 | Species | Taxom | | Tegeocranellidae P. Balogh, 1987 | | 1 | Species | Taxom | | Telmatoscorpionidae Kjellesvig-W..., 1986 | | 1 | Species | Taxom | | Tengellidae (Dahl, 1908) | Tengellid spiders | 1 | Species | Taxom | | Tenuipalpidae Berlese, 1913 | False spider mites | 3 | Species | Taxom | | Tetragnathidae Menge, 1866 | Elongated Orb Weavers | 10 | Species | Taxom | | Tetranychidae Donnadieu, 1875 | Spider mites | 5 | Species | Taxom | | Theraphosidae Thorell, 1870 | Bird-eating spiders | 1 | Species | Taxom | | Theridiidae Sundevall, 1833 | Cobweb And Widow Spiders | 28 | Species | Taxom | | Theridiosomatidae Simon, 1881 | Ray orbweavers | 1 | Species | Taxom | | Thomisidae Sundevall, 1833 | Crab Spider | 17 | Species | Taxom | | Torrenticolidae Thor, 1902 | Torrent Mites | 1 | Species | Taxom | | Travuniidae Absolon & Kr..., 1932 | | 1 | Species | Taxom | | Trombiculidae Ewing, 1929 | Chigger mites | 5 | Species | Taxom | | Uloboridae Thorell, 1869 | Cribellate orb weavers | 1 | Species | Taxom | | Unionicolidae Oudemans, 1909 | | 0 | Species | Taxom | | Urodinychidae Berlese, 1917 | | 1 | Species | Taxom | | Veigaiidae Oudemans, 1939 | | 1 | Species | Taxom | | Winterschmidtiidae Oudemans, 1923 | | 0 | Species | Taxom | | Withiidae Chamberlin, 1931 | | 1 | Species | Taxom | | Zerconidae Berlese, 1892 | | 1 | Species | Taxom |
Subnodes of Arachnida with occurrences in Pennsylvania
 | | 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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