Checklist for Superfamily Ctenizoidea Thorell, 1887 (trap door spiders) and region Eocene (Paleogene)
Class | Arachnida Lamarck, 1801 Arachnids | 140 419 995 | Families Genera Species | Taxom | Subclass | Micrura Ehrenberg, 1831
| 117 369 918 | Families Genera Species | Taxom | Infraclass | Megoperculata Börner, 1902
| 70 308 853 | Families Genera Species | Taxom | Order | Araneae Clerck, 1757 Spider, Spiders, True Spiders | 68 306 851 | Families Genera Species | Taxom | Suborder | Mygalomorphae Pocock, 1892 Mygalomorphs, Primitive spiders | 4 6 9 | Families Genera Species | Taxom | Infraorder | Fornicephalae Raven, 1985
| 2 4 7 | Families Genera Species | Taxom | Superfamily | Ctenizoidea Thorell, 1887 Trap door spiders | 1 3 4 | Family Genera Species | Taxom |
List of families for Eocene 1 Family width 4 Species
Genera for Eocene 3 Genera with 4 Species
Species list for Eocene 4 Species
Subnodes of Ctenizoidea with occurrences in Eocene
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