Phrurolithidae
| Phrurolithidae Temporal range:  | |
|---|---|
| Otacilia lynx | |
| Scientific classification | |
| Domain: | Eukaryota | 
| Kingdom: | Animalia | 
| Phylum: | Arthropoda | 
| Subphylum: | Chelicerata | 
| Class: | Arachnida | 
| Order: | Araneae | 
| Infraorder: | Araneomorphae | 
| Family: | Phrurolithidae Banks, 1892 | 
| Diversity | |
| 24 genera, 360 species | |
Phrurolithidae is a family of araneomorph spiders, known as guardstone spiders. The family was first described by Nathan Banks in 1892. First included in the Corinnidae as the subfamily Phrurolithinae, later phylogenetic studies justified a separate family.