Rare Bristolia bristolensis Trilobite from Pioche Shale

Bristolia bristolensis

Class Trilobita, Trilobite Order Redlichiida, Family Olenellidae (Resser, 1928)

Geological Time: Lower Cambrian

Size: 31 mm

Fossil Site: Klondike Gap, Pioche Shale Formation, Nevada

This is one of the beautiful trilobites coming from the Pioche Shale in Nevada , which is noted for its Redlichiids. Bristolia bristolensis is exceedingly rare, and closely resembles the far more common Olenellus gilberti from the same locality.

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