Nuttall, C. P. (1990). A review of the Tertiary non-marine molluscan faunas of the Pebasian and other inland basins of north-western South America. Bulletin of The British Museum (Natural History), Geology Series. 45(2): 165-371.
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Nuttall, C. P.
1990
A review of the Tertiary non-marine molluscan faunas of the Pebasian and other inland basins of north-western South America
Bulletin of The British Museum (Natural History), Geology Series