Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada

Genus Chthonius

Chthonius (Ephippiochthonius) sp. - Chthonius Chthonius (Ephippiochthonius) tetrachelatus - Chthonius tetrachelatus Chthonius (Ephippiochthonius) tetrachelatus - Chthonius tetrachelatus Chthonius (Ephippiochthonius) tetrachelatus - Chthonius tetrachelatus Chthonius (Ephippiochthonius) tetrachelatus - Chthonius tetrachelatus Chthonius (Ephippiochthonius) tetrachelatus - Chthonius tetrachelatus Pseudoscorpion - Chthonius tetrachelatus
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Chelicerata (Chelicerates)
Class Arachnida (Arachnids)
Order Pseudoscorpiones (Pseudoscorpions)
Suborder Epiocheirata
Family Chthoniidae
Genus Chthonius
Explanation of Names
Author: C.L. Koch, 1843

The genus name means "subterranean".
Numbers
3 subgenera and 9 species in the US and Canada