dienbienensis, Mastacembelus Nguyen [V. H.] & Nguyen [H. D.] in Nguyen 2005:632, Fig. 3 [Freshwater fishes of Vietnam v. 3; ref. 29809] Dien Bien Phu city, Vietnam. Holotype: NCNTTS I Inst., Bac Ninh. Paratypes: (3). Poor description; possibly in Sinobdella. Type specimens lost -- Endruweit 2014:157 [ref. 33205]. •Incertae sedis as Sinobdella dienbienensis Nguyen & Nguyen 2005 -- (Kottelat 2013:314 [ref. 32989]). •Valid as Mastacembelus dienbienensis Nguyen & Nguyen 2005 -- (Vu et al. 2019:150 [ref. 37811]). Current status: Valid as Sinobdella dienbienensis (Nguyen & Nguyen 2005). Mastacembelidae. Distribution: Dien Bien, Vietnam. Habitat: freshwater.