phongthoensis, Euchiloglanis Nguyen [V. H.] 2006:646, Fig. 56 [Freshwater fishes of Vietnam v. 2; ref. 29730] Tam Duong River, Black River drainage, Phong Thô, Lai Châu, Vietnam. Holotype: RIA1 uncat. Bac Ninh [lost]. Paratypes: RIA1 (4, lost). •Valid as Euchiloglanis phongthoensis Nguyen 2006 -- (Zhou et al. 2011:16 [ref. 31300], Tran et al. 2023:10 [ref. 40051]). •Valid as Pareuchiloglanis phongthoensis Nguyen 2006 -- (Kottelat 2013:230 [ref. 32989] as species inquirenda). •Synonym of Chimarrichthys dorsoarcus (Nguyen 2006) -- (Endruweit 2025:194 [ref. 42401]). Current status: Synonym of Chimarrichthys dorsoarcus (Nguyen 2006). Sisoridae: Glyptosterninae. Habitat: freshwater.