| Names:
Elrathia
kingii (Order: Ptychopariida; Family: Ptychoparioidea) - 40 specimens
Bolaspidella housensis (Order: Ptychopariida; Family Menomiidae) - 3 specimens
Peronopsis interstricta (Order: Agnostida; Family: Peronopsidae) - 1 specimen
Class
Trilobita
Geologic
Age: Middle Cambrian
Sizes (25.4
mm = 1 inch): Elrathia (3-26 mm); Bolaspidell (4-5 mm); Peronopsis (4
mm) on 150mm X 190mm matrix
Fossil Site:
Wheeler Shale Formation, House Range, Millard County, Utah
Code: TR104
Price: $150.00
- sold
 Description:
This is a mass mortality plate that I recovered and prepared from
the Wheeler Formation that has an amazing 44 trilobites. If you've
hunted trilobites in Utah, you'll now such finds are an uncommon
occurence. Except for the one Agnostid, all are Ptychopariids, a
highly diverse trilobite order that is also highly diverse in the
Western United States. The Wheeler Formation also yields Burgess
Sahle like soft bodied animals, though not in abundance, and almost
never in trilobite layers; most collectors can't even recognize
them.
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