BREURE, A. S. H.; BORRERO, F. J. An annotated checklist of the land snail family Orthalicidae (Gastropoda: Pulmonata: Orthalicoidea) in Ecuador, with notes on the distribution of the mainland species. Zootaxa, Auckland, New Zealand, v. 1768, n. 1, p. 1–40, 2008. DOI: 10.11646/zootaxa.1768.1.1. Disponível em: https://www.mapress.com/zt/article/view/zootaxa.1768.1.1. Acesso em: 4 may. 2025.