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OTHER INVERTEBRATES


Ordovician





Nautiloid
Anaspyroceras sp.

 • Grand Detour Fm.
• Rock Co., WI, USA
 Nautiloid
Gonioceras sp.

 • Grand Detour Fm.
• Rock Co., WI, USA
 Nautiloid
Plectoceras robertsoni

 • Grand Detour Fm.
• Rock Co., WI, USA
 Nautiloid
Richardsonoceras simplex

 • Grand Detour Fm.
• Rock Co., WI, USA





Cretaceous





Ammonite
Rouchadzeites cf. R. lazarini

 • Giraudi Zone?
• Alpes-de-Haute-Provence, France
 Ammonite
Muramotoceras yezoense

 • Yezo Gp.
• Yubari, Hokkaido, Japan
 Ammonite
Yezoceras elegans

 • Yezo Gp.
• Haboro, Hokkaido, Japan
 Ammonite
Nostoceras malagasyense

 •
• Tulear Province, Madagascar




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