Traits taxon details
original description
(of Sphaerium formosum var. whiteavesi L. S. Russell, 1926 †) Russell, L.S. (1926). Mollusca of the Paskapoo Formation in Alberta. <em>Transactions of the Royal Society of Canada, third series. Section IV - Geological Sciences.</em> 20: 207-220. page(s): 213, pl. 3, figs 8, 9 [details] Available for editors 
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