Name: Peronopsis brighamensis
(Resser,
1939a)
Order Agnostida, Superfamily Agnostoidea, Family Peronopsidae
Locality: Onieda Narrows, near Thatcher, Idaho
Stratigraphy: Langston Formation, Spence
Shale Member, Middle Cambrian
Remarks: Photo:
collected by Nick Skabelund
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Western
Trilobites Association:
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