Checklist for Class Arachnida Lamarck, 1801 (Arachnids) and region Summit (Somerset County, Pennsylvania, USA)
List of families for Summit (Somerset County Pennsylvania) 11 Families width 11 Species | Corinnidae Karsch, 1880 | Ant-like Sac Spiders | 1 | Species | Taxom | | Dictynidae O. P-Cambridge, 1871 | Dictynid spiders | 1 | Species | Taxom | | Linyphiidae Blackwall, 1859 | Dwarf spiders | 1 | Species | Taxom | | Dysderidae C. L. Koch, 1837 | Dysderid spiders | 1 | Species | Taxom | | Travuniidae Absolon & Kr..., 1932 | | 1 | Species | Taxom | | Gnaphosidae (Pocock, 1898) | Flat-bellied ground spiders | 1 | Species | Taxom | | Araneidae Simon, 1895 | Golden orb web spiders | 1 | Species | Taxom | | Theridiidae Sundevall, 1833 | Cobweb And Widow Spiders | 2 | Species | Taxom | | Oxyopidae Thorell, 1870 | Lynx spiders | 1 | Species | Taxom | | Lycosidae Lehtinen & H..., 1979 | Ground Spiders | 1 | Species | Taxom | | Trombiculidae Ewing, 1929 | Chigger mites | 0 | Species | Taxom |
Genera for Summit (Somerset County Pennsylvania) 12 Genera with 11 Species | Apochinomma Pavesi, 1896 | | 1 | Species | Taxom | | Archaeodictyna Caporiacco, 1871 | | 1 | Species | Taxom | | Ceraticelus Simon, 1874 | | 1 | Species | Taxom | | Dysdera Latreille, 1910 | | 1 | Species | Taxom | | Erebomaster Cope, 1924 | | 1 | Species | Taxom | | Haplodrassus Chamberlin, 1839 | | 1 | Species | Taxom | | Larinioides Caporiacco, 1758 | Furrow spiders | 1 | Species | Taxom | | Latrodectus Walckenaer, 1837 | Black widow spider | 1 | Species | Taxom | | Oxyopes Latreille, 1845 | Lynx Spiders | 1 | Species | Taxom | | Piratula Roewer, 1885 | | 1 | Species | Taxom | | Rhomphaea L. Koch, 1850 | | 1 | Species | Taxom | Trombicula Berlese, 1905 | | 0 | Species | Taxom |
Species list for Summit (Somerset County Pennsylvania) 11 Species | Apochinomma formica Eugène Simon, 1896 | | | Archaeodictyna ammophila Menge, 1871 | | | Ceraticelus fissiceps Octavius Pic..., 1874 | | | Dysdera nomada Eugène Simon, 1910 | Stocky cerith | | Erebomaster acanthinus Crosby & Bishop, 1924 | Cobweb milkvetch | | Haplodrassus signifer (C. L. Koch, 1839) | ⇒ Haplodrassus pugnans Simon, 1880 | | Larinioides patagiatus Clerck, 1758 | Ornamental Orbweaver | | Latrodectus variolus (Walckenaer, 1837) | ⇒ Latrodectus hesperus Chamberlin &..., 1935 | | Oxyopes salticus Hentz, 1845 | Lynx spider | | Piratula minuta James Henry ..., 1885 | | | Rhomphaea fictilium Hentz, 1850 | Lizard Spider |
Subnodes of Arachnida with occurrences in Summit (Somerset County 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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