There are 8 matches
| Collection | Authorizer | Collection name | Reference |
|---|---|---|---|
| 26172 | S. Holland | Lake Simcoe Area, Ontario, Gull River Formation Lower Member Blackriveran - Ordovician 4-5 - Canada | Liberty (1969) |
| 26174 | S. Holland | Lake Simcoe Area 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) |
| 26263 | S. Holland | Type section in Kirkfield Quarry, near Bobcaygeon, Lake Simcoe Area Chatfieldian - Ordovician 4-5 - Canada | Liberty (1969) |
| 26270 | S. Holland | Sturgeon Heights Cottage Section (S1), Lot 9, Lake Simcoe area Chatfieldian - Ordovician 4-5 - Canada | Liberty (1969) |
| 26276 | S. Holland | Cobourg Hill (S3) No 1, west railway-cut, lot 16, Lake Simcoe area Caradoc - Ordovician 4-5 - Canada | Liberty (1969) |
| 184970 | P. Wagner | Hume Loc. 02 - Shipyards Lot 10 con. V (= Shipyard Lot 10 con. V) Turinian - Ordovician 4 - Canada | Hume (1925) |
| 228229 | P. Wagner | Tomlinson Quarry. Bed 3 (coll. Koniecki) Katian - Ordovician 5 - Canada | Moysiuk et al. (2022) |