Cuezzo, M. G. (2006).

On a new species of Isomeria Beck and redescription of species of Labyrinthus Beck from South America (Gastropoda: Stylommatophora: Camaenidae)

. Zootaxa, 1221(1), 1–23. https://doi.org/10.11646/zootaxa.1221.1.1