There are 6 matches
| Collection | Authorizer | Collection name | Reference |
|---|---|---|---|
| 305 | J. Sepkoski | Mingan Islands, Champlain Valley, Day Point Fm. Chazyan - Ordovician 2-4 - Canada | Hofmann (1963) |
| 307 | J. Sepkoski | Mingan Islands, Champlain Valley, Crown Pt. Fm. Chazyan - Ordovician 2-4 - Canada | Hofmann (1963) |
| 311 | J. Sepkoski | St. Martin Mbr., Laval Fm., upper Chazyan Chazyan - Ordovician 2-4 - Canada | Hofmann (1982) |
| 422 | J. Sepkoski | Mingan Islands, Champlain Valley, Mingan Fm. Chazyan - Ordovician 2-4 - Canada | Hofmann (1963) |
| 435 | J. Sepkoski | Mingan Islands, Champlain Valley, Valcour Fm. (Beech Mbr.) Chazyan - Ordovician 2-4 - Canada | Hofmann (1963) |
| 63675 | P. Wagner | Carleton Point Richmondian - Ordovician 5 - Canada | Twenhofel (1928) |