| Protolloydolithus Temporal range: 463.5–457.5 Ma PreꞒ Ꞓ O S D C P T J K Pg N | |
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Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| 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
- The World Encyclopedia of Fossils& Fossil-Collecting, Steve Parker
- Protolloydolithus fact file
| Taxon identifiers | |
|---|---|
| Protolloydolithus | |
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