| Protolloydolithus Temporal range:
| |
|---|---|
Scientific classification 
| |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Clade: | †Artiopoda |
| Class: | †Trilobita |
| Order: | †Asaphida |
| Family: | †Trinucleidae |
| Genus: | †Protolloydolithus Williams, 1948 |
Protolloydolithus is a genus of trinucleid trilobites found in Ordovician rocks in Gilwern Hill, Powys, Wales.
References
References
- The World Encyclopedia of Fossils& Fossil-Collecting, Steve Parker
- Protolloydolithus fact file