Margarya oxytropoides is a species of large operculate freshwater snail, an aquatic gastropod mollusc in the family Viviparidae, the river snails.
The distribution of Margarya francheti includes Dian Lake, Lugu Lake, and small lakes around Zhaotong in Yunnan Province, China.
Zhang et al. (2015) provided details about the shell and about the radula.