Checklist for Class Arachnida Lamarck, 1801 (Arachnids) and region Philadelphia (Philadelphia County, Pennsylvania, USA)
List of families for Philadelphia (Philadelphia County) 13 Families width 11 Species | Eriophyidae Nalepa, 1898 | Blister mites | 1 | Species | Taxom | | Carabodidae Koch, 1837 | | 1 | Species | Taxom | | Chthoniidae Daday, 1888 | | 1 | Species | Taxom | | Dermanyssidae Kolenati, 1859 | Dermanyssid mites | 1 | Species | Taxom | | Dysderidae C. L. Koch, 1837 | Dysderid spiders | 1 | Species | Taxom | | Entonyssidae Ewing, 1922 | | 0 | Species | Taxom | | Lycosidae Lehtinen & H..., 1979 | Ground Spiders | 1 | Species | Taxom | | Iolinidae Pritchard, 1956 | | 0 | Species | Taxom | | Sclerosomatidae Simon, 1879 | Sclerosomatid Harvestmen | 2 | Species | Taxom | | Salticidae Blackwall, 1842 | Jumping Spider | 1 | Species | Taxom | | Araneidae Simon, 1895 | Golden orb web spiders | 1 | Species | Taxom | | Acaridae Latreille, 1802 | Acarid mites | 0 | Species | Taxom | | Pholcidae C. L. Koch, 1851 | Carpenter spider | 1 | Species | Taxom |
Genera for Philadelphia (Philadelphia County) 13 Genera with 11 Species | Aceria Keifer, 1891 | | 1 | Species | Taxom | | Carabodes Koch, 1914 | | 1 | Species | Taxom | | Chthonius Koch, 0 | | 1 | Species | Taxom | | Dermanyssus Dugès, 1778 | | 1 | Species | Taxom | | Dysdera Latreille, 1910 | | 1 | Species | Taxom | Entophionyssus Fain, 1960 | | 0 | Species | Taxom | | Gladicosa Brady, 1837 | Sword Wolf Spiders | 1 | Species | Taxom | Iolina A. E. Pritchard, 1956 | | 0 | Species | Taxom | | Leiobunum C. L. Koch, 1821 | Daddy Long Leg Spiders | 2 | Species | Taxom | | Messua Peckham & Pe..., 1901 | | 1 | Species | Taxom | | Micrathena Sundevall, 1805 | | 1 | Species | Taxom | Sancassania Oudemans, 1916 | | 0 | Species | Taxom | | Spermophora Hentz, 1836 | | 1 | Species | Taxom |
Species list for Philadelphia (Philadelphia County) 11 Species | Aceria erinea Nalepa, 1891 | Persian walnut erineum mite | | Carabodes scymnus Hull, 1914 | | | Chthonius pennsylvanicus | | | Dermanyssus (Dermanyssus) gallinae De Geer, 1778 | Bird mite | | Dysdera nomada Eugène Simon, 1910 | Stocky cerith | | Gladicosa gulosa Walckenaer, 1837 | Drumming Sword Wolf Spider | | Leiobunum maculosus Wood, 1868 | | | Leiobunum vittatum Say, 1821 | Eastern Harvestman | | Messua moma Frederick Oc..., 1901 | Jumping spiders | | Micrathena gracilis Charles Atha..., 1805 | Orb Weavers | | Spermophora senoculata Dugès, 1836 | Short-bodied cellar spider |
Subnodes of Arachnida with occurrences in Philadelphia (Philadelphia County)
 | | 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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