Checklist for Superfamily Idiopoidea Simon, 1892 and region American River (El Dorado County, California, USA)
Class | Arachnida Lamarck, 1801 Arachnids | 23 27 28 | Families Genera Species | Taxom | Subclass | Micrura Ehrenberg, 1831
| 19 23 24 | Families Genera Species | Taxom | Infraclass | Megoperculata Börner, 1902
| 11 12 13 | Families Genera Species | Taxom | Order | Araneae Clerck, 1757 Spider, Spiders, True Spiders | 11 12 13 | Families Genera Species | Taxom | Suborder | Mygalomorphae Pocock, 1892 Mygalomorphs, Primitive spiders | 4 5 5 | Families Genera Species | Taxom | Infraorder | Fornicephalae Raven, 1985
| 2 3 3 | Families Genera Species | Taxom | Superfamily | Idiopoidea Simon, 1892
| 1 2 2 | Family Genera Species | Taxom |
List of families for American River 1 Family width 2 Species
Genera for American River 2 Genera with 2 Species
Species list for American River 2 Species
Subnodes of Idiopoidea with occurrences in American River
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