Nevada Cambrian Olenellus Trilobites Pair

Olenellus chiefensis and Olenellus fowleri

Trilobites Order Redlichiida; Family Olenellidae (both species described by Palmer, 1998)

Geologic Time: Lower Cambrian

Size (25.4mm=1 inch): Olenellus fowleri: 20 mm by 16 mm Olenellus chiefensis: 25 mm X 18 mm on a 75 mm x 85 mm matrix

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

Fossil Code: UB258

Price: $110.00

Olenellus chiefensis and Olenellus fowleri Description: A fine association plaque of two species that have been recently described in 1998. 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. The upper positive example is Olenellus fowleri, while the lower negative specimen is Olenellus chiefensis.

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