• Pliocene of Turkey (1 collection)

• Miocene of Austria (2), France (1), Kenya (2), Morocco (1), Saudi Arabia (1), Spain (3), Switzerland (1), Ukraine (1)

• Arikareean of United States (1: South Dakota)

• Oligocene of France (13), Germany (1), United States (1: Florida)

• Eocene of Belgium (1), Canada (1: Saskatchewan), France (16), Portugal (1), Switzerland (1), the United Kingdom (1), United States (1: Wyoming)

• Paleocene of Belgium (1), France (1), United States (1: North Dakota)

• Cretaceous of Mongolia (1)

Total: 55 collections each including a single occurrence