Checklist for Subfamily Anyphaeninae Bertkau, 1878 and region Piauí (Northeast Brazil, Brazil)
Class | Arachnida Lamarck, 1801 Arachnids | 42 128 112 | Families Genera Species | Taxom | Subclass | Micrura Ehrenberg, 1831
| 38 120 99 | Families Genera Species | Taxom | Infraclass | Megoperculata Börner, 1902
| 35 112 90 | Families Genera Species | Taxom | Order | Araneae Clerck, 1757 Spider, Spiders, True Spiders | 34 111 89 | Families Genera Species | Taxom | Suborder | Araneomorphae Smith, 1902 True Spiders | 29 100 83 | Families Genera Species | Taxom | Infraorder | Araneomorphi Smith, 1902
| 29 100 83 | Families Genera Species | Taxom | Superfamily | Dictynoidea Forster, 1970 Sac spiders | 3 5 1 | Families Genera Species | Taxom | | Family | Anyphaenidae Bertkau, 1878 Anyphaenid sac spiders, Buzzing Spiders, Ghost spiders | 2 0 | Genera Species | Taxom | | Subfamily | Anyphaeninae Bertkau, 1878
| 2 0 | Genera Species | Taxom |
Genera for Piauí 2 Genera with 0 Species Teudis O. P.-Cambridge, 1896 | | 0 | Species | Taxom | Wulfilopsis Soares & Cam..., 1955 | | 0 | Species | Taxom |
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