Barrientos, Zaidett. 2019. «A New Genus of Semislugs (Stylommatophora, Euconulidae) from Costa Rica and a Review of the Genus Velifera (Stylommatophora, Euconulidae)». Revista De Biología Tropical 67 (6):1313–1358. https://doi.org/10.15517/rbt.v67i6.36105.