Checklist for Subfamily Latrodectinae Petrunkevitch, 1928 and region Madera County (California, USA)
Class | Arachnida Lamarck, 1801 Arachnids | 18 27 26 | Families Genera Species | Taxom | Subclass | Micrura Ehrenberg, 1831
| 17 26 25 | Families Genera Species | Taxom | Infraclass | Megoperculata Börner, 1902
| 8 14 12 | Families Genera Species | Taxom | Order | Araneae Clerck, 1757 Spider, Spiders, True Spiders | 8 14 12 | Families Genera Species | Taxom | Suborder | Araneomorphae Smith, 1902 True Spiders | 6 12 10 | Families Genera Species | Taxom | Infraorder | Araneomorphi Smith, 1902
| 6 12 10 | Families Genera Species | Taxom | Superfamily | Araneoidea Latreille, 1806
| 1 2 1 | Family Genera Species | Taxom | | Family | Theridiidae Sundevall, 1833 Cobweb And Widow Spiders, Cobweb spider, Cobweb spiders | 2 1 | Genera Species | Taxom | | Subfamily | Latrodectinae Petrunkevitch, 1928
| 2 1 | Genera Species | Taxom |
Genera for Madera County 2 Genera with 1 Species
Species list for Madera County 1 Species
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