Checklist for Subfamily Echeminae
and region Yixian Formation (Liaoning, China)
Class
| Arachnida
Lamarck, 1801
Arachnids | 4
6
9 | Families
Genera
Species |
Taxom
|
Subclass
| Micrura
Ehrenberg, 1831
| 4
6
9 | Families
Genera
Species |
Taxom
|
Infraclass
| Megoperculata
Börner, 1902
| 4
6
9 | Families
Genera
Species |
Taxom
|
Order
| Araneae
Clerck, 1757
Spider, Spiders, True Spiders | 4
6
9 | Families
Genera
Species |
Taxom
|
Suborder
| Araneomorphae
Smith, 1902
True Spiders | 4
6
9 | Families
Genera
Species |
Taxom
|
Infraorder
| Araneomorphi
Smith, 1902
| 4
6
9 | Families
Genera
Species |
Taxom
|
Superfamily
| Gnaphosoidea
Simon, 1893
| 1
2
2 | Family
Genera
Species |
Taxom
| | Family | Gnaphosidae
Pocock, 1898
Flat-bellied ground spiders, Ground spiders | 2
2 | Genera
Species |
Taxom
| | Subfamily | Echeminae
| 1
1 | Genus
Species |
Taxom
|
Genera for Yixian Formation
1 Genera with 1 Species
Species list for Yixian Formation
1 Species
|
