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Cerithidea tonkiniana is an amphibious gastropod mollusk that lives in brackish water habitats. In this study, the complete mitochondrial genome of Cerithidea tonkiniana collected from Guangxi, China was assembled for the first time based on the next generation sequencing. The length of this mitogenome is 15,617 base pair with a slightly biased AT content (63.1％). This circular genome contains 13 proterin-coding genes, 22 tRNA genes, and 2 rRNA genes. Phylogenetic analysis using the 10 Cerithioidea species showed that the C. tonkiniana is closely related with Cerithidea sinensis and Cerithidea obtuse, forming the Potamididae cluster.