MolluscaBase name details
original description
Conrad, T. A. (1835-1838). <i>Monography of the family Unionidae, or naiades of Lamarck, (fresh water bivalve shells), of North America, illustrated by figures drawn on stone from nature</i>. Philadelphia: Dobson. 1: 1-12, pls 1-5 [1835]; 8: 65-72, pls. 36-40 [1837]; 10: 81-94, pls 46-51 [1838]; 11: 95-102, pls 52-56 [1838]. , available online at http://biodiversitylibrary.org/page/4206381
page(s): 102-103, pl. 56, fig. 2 [details]
additional source
Baker, H. B. (1964). <i>E.</i> (<i>Uniomerus</i>) <i>tetralasmus sayana</i>. <em>The Nautilus.</em> 78(2): 67., available online at https://www.biodiversitylibrary.org/page/8521368 [details]