bismargaritus, Discogobio Chu [X.-L.], Cui [G.-H.] & Zhou [W.] 1993:240 (English p. 245), Fig. 2 [Acta Zootaxonomica Sinica v. 18 (no. 2); ref. 21976] Xiyang River, Guangnan County, 24°04'N, 105°03'E, Yunnan Province, China. Holotype: KIZ 1977001419 [ex 776563]. Paratypes: (5) KIZ 1977001420 [ex 776579] (1), 1977001421 [ex 776568] (1), 1977001422 [ ex 776582], 1977001423 [ex 776587] (1). Type catalog: Du et al. 2013:349 [ref. 32939], Min et al. 2026:96 [ref. 42825]. •Valid as Discogobio bismargaritus Chu, Cui & Zhou 1993 -- (Zhang et al. in Yue 2000:260 [ref. 25272], Zhang & Zhou 2012:24 [ref. 32322] as bismargairtus, Zhang et al. 2016:109 [ref. 34477], Deng et al. 2026:512 [ref. 42927]). Current status: Valid as Discogobio bismargaritus Chu, Cui & Zhou 1993. Cyprinidae: Labeoninae. Distribution: East Asia: Yunnan (China.). IUCN (2026): Not Assessed. Habitat: freshwater.