Name: Syspacephalus variosus
Sundberg & McCollum, 2003b
Trilobite Order Ptychopariida, Suborder Ptychopariina, Superfamily Ptychparioidea,
Family
Ptychopariidae
Locality: left: Goldfield Hills, Nevada; right: Lincoln Co., Nevada
Stratigraphy: Amecephalus arrojosensis Biozone, Emigrant
Formation,
Middle Cambrian
Size: left: 1.5 cm; right: 1.2 cm
Remarks: Photo:
left: From the Richie Kurkewicz Pangaea
Collection; right: photo courtesy of
Perry J. Damiani
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Western
Trilobites Association:
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