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Phosphorite (Meade Peak Member, Phosphoria Formation, Permian; Astoria Hot Springs roadcut, Teton County, Wyoming, USA) 6 (49191806238).jpg - Ser Amantio di Nicolao
Fossiliferous phosphorite (Fish Scale Marker Bed, Meade Peak Member, Phosphoria Formation, Permian; Idaho, USA) 6.jpg - Ser Amantio di Nicolao
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