| Acastidae | |
|---|---|
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Class: | Trilobita |
| Order: | Phacopida |
| Suborder: | Phacopina |
| Superfamily: | Acastoidea |
| Family: | Acastidae |
Acastidae is a family of trilobites in the order Phacopidae, suborder Phacopina, superfamily Acastoidea, containing the following genera:[1]