Modocia typicalis Trilobite with Preserved Bite Mark

Modocia typicalis

Class Trilobita, Order Ptychopariida, Family Marjumiidae

Geologic Age: Middle Cambrian

Size (25.4 mm = 1 inch): 26 mm long and 20 mm wide on a 65 mm by 60 mm matrix

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

Code: TR184

Price: $75.00 - sold

Modocia typicalisDescription: Coming from the Cambrian Marjum Formation deposits of Millard County, Utah, this is an example of the trilobite Modocia typicalis which has a portion of the left side of the cephalon and genal spine missing. This unfortunate example was attacked, presumably by a predator like Anomalocaris. Given there is no evidence of healing, it most likely died as a result of this attack.

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