Protolloydolithus
Protolloydolithus is a blind Trinucleid trilobite found in Ordovician rocks in Gilwern Hill, Powys, Wales.
A Pyritised Lloydolithus lloydi, Three Nuclei and a large cephalon are typical of the Trinucleus group.
Features of Trinucleid Trilobites
| Name | Meaning | Grouping | Informal ID | Fossil Size | Reconstructed size | Habitat | Time Span | Main Fossil Sites | Occurrence |
|---|---|---|---|---|---|---|---|---|---|
| Trinucleus | Three nuclei; three centres | Arthropod, Trilobite | Trilobite | Head-tail length 2 cm/3/4in | Same as Fossil Size | Muddy deep-sea foor | Mid-Late Ordovician, 470-440 MYA | Western Europe, North Africa | ♦ |
References
- The World Encyclopedia of Fossils& Fossil-Collecting, Steve Parker
- Protolloydolithus fact file
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