There are 10 matches
| Collection | Authorizer | Collection name | Reference |
|---|---|---|---|
| 26175 | S. Holland | Lake Simcoe Area, Submember C1A Turinian - Ordovician 4 - Canada | Liberty (1969) |
| 26188 | S. Holland | Lake Simcoe Area, Lower Member, Submember C1B Turinian - Ordovician 4 - Canada | Liberty (1969) |
| 26191 | S. Holland | Lake Simcoe Area, Lower Member, Submember C2 Turinian - Ordovician 4 - Canada | Liberty (1969) |
| 26192 | S. Holland | Type section at Little Bob quarry, south of Bobcaygeon, Lake Simcoe Area Kirkfieldian - 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) |
| 172201 | B. Kröger | Hogs Back, Ottawa Valley, Aylmer Sandstone Fm. Chazyan - Ordovician 2-4 - Canada | Raymond (1911) |
| 173014 | B. Kröger | Clay cliff Richmondian - Ordovician 5 - Canada | Foerste (1924) |
| 173116 | B. Kröger | Snake Island Richmondian - Ordovician 5 - Canada | Foerste (1924) |
| 173145 | B. Kröger | Point Traverse Richmondian - Ordovician 5 - Canada | Foerste (1924) |
| 173146 | B. Kröger | Lake St. John Richmondian - Ordovician 5 - Canada | Foerste (1924) |