The specific name giardi is in honor of French zoologist Alfred Mathieu Giard.

[3] Gudeodiscus giardi oharai lives in are north of Nanning in Western Guangxi, China.

[3] Gudeodiscus giardi szekeresi live in the type locality only: Langur Reserve, 25 km southeast of Chongzuo, China.

[2] The color of the shell is brownish, but some Chinese populations are small and yellow and translucent.

[2] Middle palatal plicae are short, depressed Z-shaped, or almost vertical, sometimes connected to each other.

[2] There were recorded hook-like or flat and oval calcareous granules on the internal surface of penis.