original description
(of Bulimus abscissus L. Pfeiffer, 1855) Pfeiffer, L. (1855). Descriptions of thirty-eight new species of land shells, from the collection of H. Cuming. <em>Proceedings of the Zoological Society of London.</em> 23 (291): 111–119. London [13 August]., available online at https://www.biodiversitylibrary.org/page/30748004
page(s): 116 [details]
original description
(of Bulimus fallax L. Pfeiffer, 1853) Pfeiffer, L. (1853). <i>Monographia heliceorum viventium. Sistens descriptiones systematicas et criticas omnium huius familiae generum et specierum hodie cognitarum</i>. Volumen tertium [Vol. 3]. Lipsiae: Brockhaus. i-viii + 711 pp. , available online at https://biodiversitylibrary.org/page/11646394
page(s): 375 [details]
original description
(of Hamadryas fallax var. major Cousin, 1887) Cousin, A. (1887). Faune malacologique de la Republique de l'Équateur. <em>Bulletin de la Société zoologique de France.</em> 12: 187-287., available online at https://www.biodiversitylibrary.org/page/36024096
page(s): 219 [details]
From editor or global species database
Type locality Ecuador, Tunguragua [details]
From editor or global species database