There are 3 matches
| Collection | Authorizer | Collection name | Reference |
|---|---|---|---|
| 26192 | S. Holland | Type section at Little Bob quarry, south of Bobcaygeon, Lake Simcoe Area Kirkfieldian - Ordovician 4-5 - Canada | Liberty (1969) |
| 26263 | S. Holland | Type section in Kirkfield Quarry, near Bobcaygeon, Lake Simcoe Area Chatfieldian - Ordovician 4-5 - Canada | Liberty (1969) |
| 55999 | M. Patzkowsky | Exposures east of Smith Construction Company two miles west of Braeside. Blackriveran - Ordovician 4-5 - Canada | Steele and Sinclair (1971) |