Trilobites
Order Asaphida Suborder Asaphina Superfamily Asaphoidea, Family
Asaphidae
Geologic Age: Lower Ordovician
Trilobite
is 22 mm long
Fillmore Formation, Pogonip Group, Pyramid Ridge Quarry, near Tule Valley,
Millard County, Utah
Remark: A trilobite that witnessed the great Ordovician radiation.
Also see:
American Trilobites |
