There are 4 matches
| Collection | Authorizer | Collection name | Reference |
|---|---|---|---|
| 62926 | T. Olszewski | King 13, Beds 25-26, La Difunta section, Puerto de Sardinas, Las Delicias Kungurian - Permian 2 - Mexico | King (1944) |
| 63101 | T. Olszewski | King 33, Bed 18, Malascachas section, Las Delicias Kungurian - Permian 2 - Mexico | King (1944) |
| 63102 | T. Olszewski | King 40, Bed 20, Malascachas section, Las Delicias Kungurian - Permian 2 - Mexico | King (1944) |
| 179301 | M. Clapham | North-northeast of Cushú, on road to San José Montenegro (coll. Mullerried) Kungurian - Permian 2 - Mexico | Mullerried et al. (1941) |