• Quaternary of Italy (1 collection), United States (1: Pennsylvania)

• Miocene of Pakistan (1), Tunisia (2), United States (1: Louisiana)

• Oligocene of China (1)

• Eocene of China (9), France (4), India (2), Spain (4), Thailand (1), the United Kingdom (2), United States (32: California, Colorado, New Mexico, Utah, Washington, Wyoming)

• Paleocene of China (1)

Total: 62 collections each including a single occurrence