Traits taxon details
original description
(of ) Sowerby, G. B. I. (1846). Appendix to part II. Descriptions of Tertiary fossil shells from South America. In: Darwin, C. Geological Observations on South America. Being the third part of the geology of the voyage of the Beagle under the command of Capt. Fitzroy, R.N. during the years 1832 to 1836. Smith, Elder & Co., London. pp 249-264, pls 2-5. , available online at http://darwin-online.org.uk/content/frameset?itemID=F273&viewtype=text&pageseq=1 page(s): 258, pl. 4, fig. 56 [details]
basis of record
Griffin, M.; Nielsen, S. N. (2008). A revision of the type specimens of Tertiary molluscs from Chile and Argentina described by d'Orbigny (1842), Sowerby (1846) and Hupé (1854). <em>Journal of Systematic Palaeontology.</em> 6(3): 251-316., available online at https://doi.org/10.1017/s1477201907002374 page(s): 303, pl. 23, fig. 2 [details] Available for editors 
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