Modocia typicalis Trilobite Gem from Utah

Modocia typicalis

Class Trilobita, Trilobites Order Ptychopariida, Superfamily Ptychoparioidea, Family Marjumiidae

Geologic Time: Middle Cambrian

Size (25.4 mm = 1 inch): Trilobite 28 mm long and 21 mm wide on a 72 mm by 83 mm matrix

Fossil Site: Marjum Formation, House Range, Utah


Modocia typicalis TrilobiteDescription: Coming from the Cambrian Marjum Formation deposits of Millard County, Utah, this is an example of the trilobite Modocia typicalis in a fine state of preservation. It is quite a bit larger than typical examples, with only a slight separation of the the genals.

click fossil pictures to enlarge


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