There are 2 matches
| Collection | Authorizer | Collection name | Reference |
|---|---|---|---|
| 8747 | A. Miller | Lower Llanvirn section of San Juan Fm., Sierra de Villicum, Cerro Viejo, and Cer Early Llanvirn - Ordovician 2-3 - Argentina | Herrera and Benedetto (1987) |
| 8748 | A. Miller | Sierra de Villicum, Cerro la Chilca Early Llanvirn - Ordovician 2-3 - Argentina | Herrera and Benedetto (1987) |