Ordovician
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Nautiloid
Anaspyroceras sp.
• Grand Detour Fm.
• Rock Co., WI, USA
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Nautiloid
Gonioceras sp.
• Grand Detour Fm.
• Rock Co., WI, USA
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Nautiloid
Plectoceras robertsoni
• Grand Detour Fm.
• Rock Co., WI, USA
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Nautiloid
Richardsonoceras simplex
• Grand Detour Fm.
• Rock Co., WI, USA
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Cretaceous
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Ammonite
Rouchadzeites sp.
• Giraudi Zone?
• Alpes-de-Haute-Provence, France
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