Fine Utaspis marjumensis Trilobite from Marjum Formation

Utaspis marjumensis

Class Trilobita, Order Ptychopariida, Family Alokistocaridae

Geological Age: Cambrian

Size (25.4 mm = 1 inch): 30 mm long and 21 mm wide on a 93 mm by 80 mm matrix

Fossil Site: Marjum Formation, Millard County, Utah

Fossil Code: TR186

Price: Sold

Utaspis marjumensisDescription: This trilobite is a most uncommon (use of the term rare has become somewhat hackneyed) example of the Ptychopariid Utaspis marjumensis. The specific name is derived from the deposits in which it is found. This is the first example I have been able to offer in recent history, and represents a large example of the type.

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