sinensis, Protomyzon Chen [Y.-Y.] 1980:106 (English p. 119), Fig. 4 [Acta Hydrobiologica Sinica v. 7 (no. 1); ref. 6901] West River, Lonsheng Xian, Lipu Xian and Jinxiu Xian, Guangxi Province, China. Syntypes: Mus. Inst. Hydrobiol. Acad. Sinica 75-IV-1801-1805 (5), 2572-2574 (3), 2579 (1), 2581 (1), 2804 (1), 3217-3220 (4). •Valid as Protomyzon sinensis Chen 1980 -- (Zheng et al. 1989:250 [ref. 21202], Zhu 1995:132 [ref. 25213], Chen & Tang in Yue 2000:479 [ref. 25272], Tang & Chen 2000:6 [ref. 25445], Kottelat 2001:46 [ref. 25482] as "Protomyzon" cf. sinensis). •Valid as Erromyzon sinensis (Chen 1980) -- (Kottelat 2004:306 [ref. 27994], Neely et al. 2007:99 [ref. 29196], Yang et al. 2012:185 [ref. 32329], Kottelat 2012:60 [ref. 32367], Kottelat 2013:192 [ref. 32989], Zhang et al. 2016:158 [ref. 34477], Xiu & Yang 2017:[3] [ref. 35089], Gong & Zhang 2024:312 [ref. 40928]). Current status: Valid as Erromyzon sinensis (Chen 1980). Gastromyzontidae. Distribution: East Asia: Zhujiang River drainage, Guangxi Province, China. Habitat: freshwater.