(ofUnio aratus I. Lea, 1843)Lea, I. (1843). [Description of twelve new species of uniones]. Privately printed, Philadelphia [on or before August 22, 1843, teste Scudder (1885: 42)]. 1 page. page(s): 1 [details]
original description(ofUnio aratus I. Lea, 1843)Lea, I. (1843). [Description of twelve new species of uniones]. Privately printed, Philadelphia [on or before August 22, 1843, teste Scudder (1885: 42)]. 1 page. page(s): 1 [details]