There are 2 matches
| Collection | Authorizer | Collection name | Reference |
|---|---|---|---|
| 467 | J. Sepkoski | Roberts Mountain (Silurian), Roberts Mountain Fm. Llandovery - Silurian 1 - Nevada | Johnson et al. (1967) |
| 204035 | J. Marcot | USNM loc. 13237, Birch Creek area, Roberts Mountains (coll. Murphy 1966) Ludlow - Silurian 2 - Nevada | Boucot (1971) |