Checklist for Subfamily Latrodectinae Petrunkevitch, 1928 and region Beaver County (Pennsylvania, USA)
Class | Arachnida Lamarck, 1801 Arachnids | 29 61 61 | Families Genera Species | Taxom | Subclass | Micrura Ehrenberg, 1831
| 27 59 59 | Families Genera Species | Taxom | Infraclass | Megoperculata Börner, 1902
| 16 43 51 | Families Genera Species | Taxom | Order | Araneae Clerck, 1757 Spider, Spiders, True Spiders | 16 43 51 | Families Genera Species | Taxom | Suborder | Araneomorphae Smith, 1902 True Spiders | 15 42 50 | Families Genera Species | Taxom | Infraorder | Araneomorphi Smith, 1902
| 15 42 50 | Families Genera Species | Taxom | Superfamily | Araneoidea Latreille, 1806
| 4 22 29 | Families Genera Species | Taxom | | Family | Theridiidae Sundevall, 1833 Cobweb And Widow Spiders, Cobweb spider, Cobweb spiders | 4 6 | Genera Species | Taxom | | Subfamily | Latrodectinae Petrunkevitch, 1928
| 2 4 | Genera Species | Taxom |
Genera for Beaver County (Pennsylvania) 2 Genera with 4 Species
Species list for Beaver County (Pennsylvania) 4 Species
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