Pyxis is a genus of tortoise in the family Testudinidae. It contains the following species:
- Flat-backed spider tortoise (Pyxis planicauda)
- Spider tortoise (Pyxis arachnoides)
| Pyxis | |
|---|---|
 | |
| Spider tortoise | |
Scientific classification  | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Reptilia |
| Order: | Testudines |
| Suborder: | Cryptodira |
| Superfamily: | Testudinoidea |
| Family: | Testudinidae |
| Genus: | Pyxis Bell, 1827[1] |