There are 2 matches
| Collection | Authorizer | Collection name | Reference |
|---|---|---|---|
| 175422 | M. Clapham | USGS Mesozoic 22871, Alzada (coll. Reeside, Cobban, Christner) Middle Cenomanian - Cretaceous 5 - Montana | Kennedy and Cobban (1990) |
| 175423 | M. Clapham | USGS Mesozoic D4466, Alzada (coll. Cobban 1964) Late Cenomanian - Cretaceous 5 - Montana | Kennedy and Cobban (1990) |