Aristerella
Distribution:
• Jurassic of Italy (1 collection)
• Ordovician of Estonia (1), United States (11: Illinois, Iowa, Minnesota)
Total: 13 collections each including a single occurrence
Distribution:
• Jurassic of Italy (1 collection)
• Ordovician of Estonia (1), United States (11: Illinois, Iowa, Minnesota)
Total: 13 collections each including a single occurrence