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We newly obtained the near complete mitochondrial genome of Oreolalax schmidti (18,481bp) by using polymerase chain reaction (PCR) in this study. It includes 13 protein-coding genes (PCG), two ribosomal RNA (rRNA) genes, and 23 transfer RNA (tRNA) genes. The phylogenetic tree indicates that the Oreolalax schmidti is closely related to the O. lichuanensis. This report will help the further studies of Oreolalax species classification and source protection.

Cynops cyanurus chuxiongensis is distributed in Yunnan plateau. In this paper, we sequenced and determined the complete mitochondrial genome of C. c. chuxiongensis. The assembled mitogenome is 16,465 bp in length and encoding 13 protein-coding genes (PCGs), 22 transfer RNA (tRNA) genes, two ribosomal RNA genes (12S rRNA and 16S rRNA), and one control region (D-loop). The phylogenetic trees indicated C. c. chuxiongensis (KY418068) has the closest relationship with C. orientalis + C. orphicus, and clustered within the clade of genus Cynops.

The complete mitochondrial of Cynops cyanurus cyanurus was determined by using Sanger sequencing and the mitogenome size of C. c. cyanurus was 16,465 bp. It contained 13 protein-coding genes, 22 tRNAs, 2 rRNAs, 1 control region (D-loop) and a non-coding region (NC). In addition, the phylogenetic tree shows that C. c. cyanurus has the closest relationship with C. c. chuxiongensis. Hoping this study can improve our understanding of the species evolutionary relationship of Cynops.

The complete mitochondrial genome of the Oreolalax major (17,786 bp long) was obtained in this study. It includes 13 protein-coding genes (PCG), two ribosomal RNA (rRNA) genes, and 23 transfer RNA (tRNA) genes (GenBank accession number MN803320). The phylogenetic tree indicates that the O. major is closely related to the O. xiangchengensis.