Ground spiders comprise Gnaphosidae, the seventh largest spider family with about 2,500 described species in over 100 genera distributed worldwide. There are 105 species known to central Europe,
- (1983): A revision of the American spiders of the genus Zelotes (Araneae, Gnaphosidae). Bulletin of the AMNH 174: 99-191. PDF (29Mb) - Abstract
External links
- Arachnology Home Pages: Araneae
- Pictures of Herpyllus ecclesiastus (free for noncommercial use)
- AMNH: Key to some genera
- A video of Sergiolus, a ground spider in Texas