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 Name: Modocia brevispina (Robison, 1964) Trilobite Order Ptychopariida, Family Marumiidae Locality: Millard Co., Utah Stratigraphy: Pierson Cove Fm., Middle Cambrian Remarks: airdent prepared under magnification, low pressure and baking soda grit. Prepared and photographed by Kevin Brett |
 Name: Modocia brevispina (Robison, 1964) Trilobite Order Ptychopariida, Family Marumiidae Locality: Millard Co., Utah Stratigraphy: Marjum Formation, Middle Cambrian Remarks: Photo by Zaven Alexander of Collecting Fossils |