Hurdiidae
| Hurdiidae Temporal range:
| |
|---|---|
| Stanleycaris (top left), Hurdia (top right), Aegirocassis (middle), Peytoia (bottom left), Cambroraster (bottom right) | |
| Scientific classification | |
| Kingdom: | Animalia |
| Stem group: | Arthropoda |
| Class: | †Dinocaridida |
| Order: | †Radiodonta |
| Family: | †Hurdiidae Vinther et al., 2014 |
| Genera | |
Hurdiidae (synonymous with the previously named Peytoiidae) is an extinct cosmopolitan family of radiodonts, a group of stem-group marine arthropods, which lived during the Paleozoic Era. It is the most long-lived radiodont clade, lasting from the Cambrian period to the Devonian period.