MolluscaBase name details
original description
Swainson, W. (1820-1823). Zoological Illustrations, or, original figures and descriptions of new, rare, or interesting animals, selected chiefly from the classes of ornithology, entomology, and conchology, and arranged on the principles of Cuvier and other modern zoologists. London: Baldwin, Cradock & Joe; Strand: W. Wood. (Vol. 1-3): pl. 1-18 [1820] pl. 19-83 [1821] pl. 84-134 [1822] pl. 135-182 [1823]., available online at http://www.biodiversitylibrary.org/item/92614
page(s): pl. 136 (upper and lower figs) [details]
additional source
Vernhout, J. H. (1914). The non-marine molluscs of Surinam. <em>Notes from the Leyden Museum.</em> 36: 1-46, pls. 1-2., available online at https://www.biodiversitylibrary.org/page/14021311
page(s): 29, 41, 43 [details]