Weaver, C. E., and Palmer, K. V. W., 1922. Fauna from the Eocene of Washington. University Of Washington Publications In Geology, 1 (3 ): 1 -45 .
(2.86 MB)
New Species-Group Names:
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vaderensis Weaver & Palmer, 1922. p. 43. pl. xii. f. 7.
