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Utaspis Marjumensis Trilobite - Negative
This is the negative impression of a fairly scarce trilobite from the Marjum Formation, Utaspis marjumensis. It's common to dig the site where these come from for days without finding a complete one with cheeks. This negative impression was found in the talus pile, and I spent an hour looking for the positive but it was long gone.
SPECIES
Utaspis marjumensis
AGE
LOCATION
House Range, Utah
FORMATION
Marjum Formation
SIZE
1.2"
CATEGORY
SUB CATEGORY
ITEM
#2942
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