Plectopylis (Sinicola) emigrans Möllendorff, 1901 Gudeodiscus emigrans is a species of air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Plectopylidae.

The distribution of Gudeodiscus emigrans was described from "Mẫu Sơn Mountains" within Lạng Sơn province, Vietnam.

[2] It is a ground-dwelling species as all other plectopylid snails in Vietnam.

[2] Gudeodiscus emigrans quadrilamellatus co-occur with other plectopylids in Vietnam: with Gudeodiscus anceyi.

[2] Gudeodiscus fischeri live at geographically close sites to Gudeodiscus emigrans quadrilamellatus.