Loel, W., and Corey, W. H., 1932. The Vaqueros Formation, Lower Miocene of California. University of California Publications in Geological Sciences, 22 (3 ): 31 -410 .
New Species-Group Names:
- ynezanus Loel & Corey, 1932. p. 237. pl. 47 f. 1a. 1b.
Loel, W., and Corey, W. H., 1932. The Vaqueros Formation, Lower Miocene of California. University of California Publications in Geological Sciences, 22 (3 ): 31 -410 .