| Placenticeras meeki Pierre Shale Wasta, South Dakota Size: 17 cm at its widest This specimen has been coated (not by me) to give the ammonite a shiny appearance. Price: $50 US ID number: f1830 | 
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| Placenticeras meeki Pierre Shale Wasta, South Dakota Size: 17 cm at its widest This specimen has been coated (not by me) to give the ammonite a shiny appearance. Price: $50 US ID number: f1830 |
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