Hyolithidae
| Hyolithidae Temporal range:
| |
|---|---|
| Hyolithes cerops | |
| Haplophrentis carinatus | |
| Scientific classification | |
| Kingdom: | Animalia |
| Class: | †Hyolitha |
| Order: | †Hyolithida |
| Family: | †Hyolithidae Nicholson, 1872 |
| Type genus | |
| †Hyolithes d'Eichwald, 1840
| |
| Genera | |
|
See text | |
The Hyolithidae are a family of hyoliths (an extinct class of basal lophotrochozoans) that lived from the Early Cambrian until the Late Permian.