Nevada Lower Cambrian Trilobite Olenellus gilberti

Olenellus gilberti

(Meek 1874)

Trilobite Order Redlichiida, Family Olenellidae

Geological Time: Lower Cambrian

Size (25.4 mm = 1 inch): Trilobite is 42 mm by 22 mm (with tail spine) on a 55 mm x 48 mm matrix

Fossil Site: C- Shale, Combined Metals Member, Pioche Shale Formation, Lincoln County, Nevada

Code: UB250

Price: Sold

Description: A beautifully preserved specimen of this widespread species that is found in Nevada and California. The genus is restricted to the early Cambrian (540-520 million years ago), making them good index fossils. They have a most distinctive large cephalon containing crescentic eyes, making them quite attractive to collectors. Most are only found as a preserved cephalon, making those from the famous Pioche Shale highly desirable.

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