Protolloydolithus

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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