omeiensis, Metahomaloptera Chang [H.-W.] 1944:54 [Sinensia v. 15 (nos 1-6); ref. 5136] Loshan and Omei, western China. Syntypes: ? Chang pers. coll. 1701 (1), 1702 (1), 2552-2556 (5), 2558 (1), 2560 (1), 2561 (1). •Valid as Metahomaloptera omeiensis Chang 1944 -- (Kottelat & Chu 1988:195 [ref. 13491], Li in Ding 1994:442 [ref. 21531], Zhu 1995:140 [ref. 25213], Chen in Chen 1998:274 [ref. 23556], Tang & Chen 2000:9 [ref. 25445]). •Valid as Metahomaloptera omeiensis Chang 1944, subspecies omeiensis Chang 1944 -- (Chen & Tang in Yue 2000:564 [ref. 25272], Yang et al. 2007:68 [ref. 29319], Kottelat 2012:54 [ref. 32367], Zhang et al. 2016:167 [ref. 34477], Zhang et al. 2019:448 [ref. 36699], Guo 2021:720 [ref. 38618]). Current status: Valid as Metahomaloptera omeiensis Chang 1944. Balitoridae. Distribution: Upper Yangtze River basin, China. Habitat: freshwater.