Loel, W.; Corey, W. H. (1932). The Vaqueros formation, lower Miocene of California I. Paleontology. University of California Publications, Bulletin of the Department of Geological Sciences, 22(3): 31-410, pls. 4-65.
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Loel, W.; Corey, W. H.
1932
The Vaqueros formation, lower Miocene of California I. Paleontology
University of California Publications, Bulletin of the Department of Geological Sciences