• Quaternary of the United Kingdom (1 collection)

• Pliocene of Belgium (1)

• Devonian of Germany (1)

• Silurian of the United Kingdom (1)

• Letna of Czechia (1)

• Ordovician of Canada (1: Ontario), Czechia (1), Morocco (1), the United Kingdom (1)

• Cambrian of Canada (29: Brithish Columbia, British Columbia), China (1)

Total: 39 collections each including a single occurrence