Four new species of Epanerchodus are described from mainland China: E. jaegeri sp. nov. and E. martensi sp. nov., both sympatric and even partly syntopic in Shaanxi, E. schawalleri sp. nov., from Sichuan, and E. yunnanensis sp. nov., from Yunnan. In addition, E. koreanus Verhoeff, 1937 is formally new to the fauna of China due to fresh samples from Jilin. A key is presented to all 14 unquestioned species of Epanerchodus currently known from mainland China.
Fresh collections of Diplopoda from China contain five new species of the large, East Asian, warm temperate to subtropical genus Riukiaria: R. martensi sp. nov., from Shaanxi Province, as well as R. belousovi sp. nov., R. kabaki sp. nov., R. korolevi sp. nov. and R. davidiani sp. nov. from Sichuan Province. A key is given to all eight Riukiaria species currently known to occur in mainland China, including R. tianmu (Tanabe, Ishii & Yin, 1996), comb. nov. ex Sinoria Tanabe, Ishii & Yin, 1996, the latter genus a new junior subjective synonym of Riukiaria, syn. nov.
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