Pleurocystites squamosus Billings, 1874
Pleurocystites squamosus Billings, 1874
Ordovician
Bobcaygeon Formation
Brechin
Carden
Ontario
Canada
- 1
By oilshale
Pleurocystites squamosus Billings, 1874
Ordovician
Bobcaygeon Formation
Brechin
Carden
Ontario
Canada
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