This mentioned taxonomy is an attempt to make an conclusive assignment from the different classifications of various scientists. Because the taxonomy may change due to the latest investigative methods and other findings, our map is a guide only.
E. J. Moore, 1988 - Tertiary marine pelecypods of California and Baja California: Lucinidae through Chamidae - United States Geological Survey Professional Paper (1228), 1-46 (serial monograph, English)
D. T. Dockery, 1982 - Lower Oligocene Bivalvia of the Vicksburg Group in Mississippi - Mississippi Department of Natural Resources Bureau of Geology (123), 1-261 (, )
C. M. Wagner, 1923 - The San Lorenzo Group of the San Emigdio region, California - University of California Publications, Bulletin of the Department of Geological Sciences (14), 235-276 (serial monograph, English)
T. A. Conrad, 1848 - Observations on the Eocene formations, and descriptions of one hundred and five new fossils from that period, from the vicinity of Vicksburg, Mississippi; with an appendix - Proceedings of the Academy of Natural Sciences of Philadelphia (3), 280-299 (journal article, English)