MolluscaBase name details
original description
Guilding, I. (1828). Observations on the zoology of the Caribbean Islands. <em>The Zoological Journal.</em> 3: 527-544., available online at https://www.biodiversitylibrary.org/page/27486053
page(s): 536 [details]
additional source
Wurtz, C. B. (1951). Catalogue of Ancylidae of South and Central America and the West Indies, with description of a new species. <em>The Nautilus.</em> 64(4): 123-131, pl. 4., available online at https://www.biodiversitylibrary.org/page/8524394
page(s): 125; note: Considered a junior synonym of Ferrissia (Laevapex) excentricus (Morelet, 1851) [details]