MolluscaBase name details
original description
(of Ampullaria expansa K. Miller, 1879) Miller, K. (1879). Die Binnenmollusken von Ecuador. <em>Malakozoologische Blätter, Neue Folgen.</em> 1: 117-203, pls 4-15., available online at https://www.biodiversitylibrary.org/page/35675090
page(s): 152, pl. 15, fig. 6 [details]
basis of record
Cowie, R. H. & Thiengo, S. C. (2003). The apple snails of the Americas (Mollusca: Gastropoda: Ampullariidae: <i>Asolene, Felipponea, Marisa, Pomacea, Pomella</i>): A nomenclatural and type catalog. <em>Malacologia.</em> 45(1): 41-100., available online at https://biodiversitylibrary.org/page/25129402 [details]
additional source
Breure, A. S. H., Roosen, M. T. & Ablett, J. D. (2022). Land and freshwater molluscs of mainland Ecuador: an illustrated checklist. <em>Iberus.</em> 40(1): 1-290.
page(s): 28, figs. 16A, 30 [details]