| link
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From
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To
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Geolocation
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Author - title
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Year
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| details | Pliocene | USSR(Arkhangelsk Oblast) | Patrikeev,S.B New data from Boksitakh, Arkalykskogo area. | 1971 | |
| details | Pliocene | Pleistocene | California | Jefferson,G.T. Paleontological resources management, Anza-Borrego Desert State Park. | 2001 |
| details | Quaternary | Wyoming | Santucci,V.L. The Yellowstone Paleontological Survey. | 1998 |