| Authors | Year | Title |
| Dutro, J. | 1975 | Report on Referred Fossils |
| Cady, W.; Wallace, R.; Hoare, Joseph; Webber, E. | 1955 | The Central Kuskokwim Region, Alaska |
| Dutro, J.; Yochelson, Ellis | 1960 | Report on Referred Fossils |
| Blodgett, Robert; Johnson, J. | 1979 | Report on Referred Fossils |