Traits taxon details
original description
(of Ampullaria guaduasensis F. M. Anderson, 1928 †) Anderson, F. M. (1928). Notes on Lower Tertiary deposits of Colombia and their molluscan and foraminiferal fauna. <em>Proceedings of the California Academy of Sciences, fourth series.</em> 17(1): 1-28., available online at https://biodiversitylibrary.org/page/3129449 page(s): 23, pl. 1, figs 19-20 [details]
basis of record
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. <em>Bulletin of The British Museum (Natural History), Geology Series.</em> 45(2): 165-371., available online at https://www.biodiversitylibrary.org/page/45474563 page(s): 256, fig. 277 [details]
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