Gudeodiscus villedaryi
Gudeodiscus villedaryi is a species of air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Plectopylidae. Distribution. The distribution of "Gudeodiscus villedaryi" includes Thái Nguyên Province and Lạng Sơn Province in Vietnam. The type locality is Lạng Sơn Province and Bắc Ninh Province (in French original: "Région de Lang-son et de Bac-ninh"). Ecology. It is a ground-dwelling species as all other plectopylid snails in Vietnam. It co-occurs with other plectopylids in Vietnam: with "Gudeodiscus anceyi" and with "Gudeodiscus phlyarius".