Rare Cambrian Trilobites Trio from Weeks Formation

Cedaria minor

Trilobite Order Ptychopariida, Family Cedariidae

Ammagnostus beltensis

Trilobite Order Agnostida, Family Ammagnostidae

Geological Time: Upper Middle Cambrian

Size (25.4 mm = 1 inch): Cedaria:14 mm long by10 mm wide Ammagnostius: 4 mm by 1.5 mm on a 290 mm by 145 mm matrix

Fossil Site: Weeks Formation, House Range, Millard County, Utah

Code: UB304

Price: $185.00 - sold

Rare Cambrian Trilobites Trio from Weeks FormationDescription: This trilobite is a member of the family Cedariidae known as Cedaria minor. This is a trio of fine, well-inflated examples with tightly-attached genals that would make a fine addition to any trilobite collection. Note the specimen of Ammagnostus beltensis just below the left genal of the uppermost Cedaria. Agnostids are quite uncommon in the Weeks, and complete examples of this taxon are quite rare.

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