There are 4 matches
| Collection | Authorizer | Collection name | Reference |
|---|---|---|---|
| 336 | J. Sepkoski | "Gamebridge edrioasteroid bed," Verulam Fm. Caradoc - Ordovician 4-5 - Canada | Waddington (1980) |
| 26267 | S. Holland | Kirkfield Quarry, lots 31-32, off of highway 503, near Kirkfield, Lake Simcoe Ar Chatfieldian - Ordovician 4-5 - Canada | Liberty (1969) |
| 26273 | S. Holland | Zion South (S7) section, lot 10, Lake Simcoe area Chatfieldian - Ordovician 4-5 - Canada | Liberty (1969) |
| 26290 | S. Holland | Lake Simcoe Area, Ontario, Verulam Formation General Section Caradoc - Ordovician 4-5 - Canada | Liberty (1969) |