Double Pyritized Triarthrus Rougensis - Rare

 
 
 
Here's a species that doesn't appear for sale very often, Triarthrus rougensis from the Billings Shale near Ottawa. There are two (and a half) multi-colored, pyritized Trirathrus on the plate. The larger on is .85 inches long, centered in the middle of the matrix and is an exception specimen of this species. This piece is a gorgeous example of this rarely seen type of Triarthrus.
DETAILS
SPECIES
Triarthrus rougensis
LOCATION
Ottawa, Canada
FORMATION
Billings Shale
SIZE
Larger one is .85" (including spine)
SUB CATEGORY
ITEM
#436
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