Traits name details
original description
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]
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