There are 3 matches
| Collection | Authorizer | Collection name | Reference |
|---|---|---|---|
| 171718 | B. Kröger | Hogs Back, near Ottawa, Pamelia Formation Blackriveran - Ordovician 4-5 - Canada | Raymond (1916) |
| 172189 | B. Kröger | Hogs Back, Ottawa, Chazy Group Chazyan - Ordovician 2-4 - Canada | Raymond (1905) |
| 172201 | B. Kröger | Hogs Back, Ottawa Valley, Aylmer Sandstone Fm. Chazyan - Ordovician 2-4 - Canada | Raymond (1911) |