There are 4 matches
| Collection | Authorizer | Collection name | Reference |
|---|---|---|---|
| 276 | J. Sepkoski | Ibex region, House Fm., Ordovician (Tremadoc) zones b & c Tremadoc - Cambrian-Ordovician - Utah | Hintze et al. (1972) |
| 103786 | M. Hopkins | Locality 1, Swan Peak and Garden City Canyon, Zone "A-B" (coll. Ross, 1946-1947) Gasconadian - Ordovician 1 - Utah | Ross (1951) |
| 103920 | M. Hopkins | Locality 13, Round Hill, Symphysurina beds (coll. Ross, 1946-1947) Gasconadian - Ordovician 1 - Utah | Ross (1951) |
| 219669 | P. Wagner | 162 m. Lawson Cove Section Tremadocian - Ordovician 1 - Utah | Miller et al. (2003) |