There are 2 matches
| Collection | Authorizer | Collection name | Reference |
|---|---|---|---|
| 8719 | A. Miller | Arenig San Juan Formation, Gualcamayo, Huaco, Los Gatos, Portrerillo, Portezuelo Arenig - Ordovician 2 - Argentina | Vaccari et al. (1986) |
| 9037 | A. Miller | Top mbr., Empozada Fm., San Isidro, Argentina Longvillian/Onnian - Ordovician 4-5 - Argentina | Heredia et al. (1990) |