| Stock, S. 1933 An amynodont skull from the Sespe Deposits, California. Proceedings of the National Academy of Sciences of the United States of America 19 (8): 762-767 |
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America
Taxonomy
Fossil
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| No details available yet |
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| Stock, C. 1932 Eocene land mammals on the Pacific coast. Proceedings of the National Academy of Science 18: 518-522 |
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America
Taxonomy
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| No details available yet |
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| Stock, C. 1932 An upper oligocene mammalian fauna fom southern California. Proceedings of the National Academy of Science 18: 550-554 |
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America
Taxonomy
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| No details available yet |
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| Matthew, W.D. 1932 A review of the rhinoceroses with a description of Aphelops material from the pliocene of Texas. University of Cailfornia Publications in Geological Sciences (20) 12: 411-481, pls. 61-79, figs. 1-12, table 1. |
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America - North America
Taxonomy
Fossil
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| No details available yet |
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| Osborn, H.F. 1931 New conceptions of species and genera, and of classification, discovered in the evolution of the Titanotheres. Journal of Mammalogy 12 (1): 1-12 |
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America
Taxonomy
Fossil
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| No details available yet |
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| Cook, H.J. 1930 New rhinoceroses from the Pliocene of Colorado and Nebraska. Proceedings of the Denver Museum of Natural History 9 (4): 44-51 |
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America
Taxonomy
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| No details available yet |
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| Wood, H.E. II 1929 Prohyracodon orientale Koch, the oldest known true rhinoceros. American Museum Novitates 395: 1-8 |
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America
Taxonomy
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| No details available yet |
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| Gregory, W.K.; Cook, H.J. 1928 New material for the study of evolution: a series of primitive rhinoceros skulls (Trigonias) from the Lower Oligocene of Colorado. Proceedings of the Denver Museum of Natural History 8 (1): 3-32 |
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America
Taxonomy
Fossil
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| No details available yet |
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| Wood, H.E. II 1927 Some early tertiary rhinoceroses and hyracodonts. Bulletin of American Paleontology 13 (49): 166-265 |
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America
Taxonomy
Fossil
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| No details available yet |
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| Lane, H.H. 1927 A new rhinoceros from Kansas. University of Kansas Science Bulletin 17 (2): 297-311 |
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America
Taxonomy
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| No details available yet |
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