Hanna, M. A., 1927. An Eocene Invertebrate Fauna from the La Jolla Quadrangle, California. University of California Publications in Geological Sciences, 16 (8 ): 247 -398 .
New Species-Group Names:
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goodwini M. A. Hanna, 1927. p. 327. pl. 55. f. 5. 8.
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sandiegoensis M. A. Hanna, 1927. p. 326. pl. 54. 13.