elongata, Sewellia Roberts [T. R.] 1998:283, Fig. 7 [Raffles Bulletin of Zoology v. 46 (no. 2); ref. 23902] Bolovens Plateau, Xe Nam Noi at proposed dam site for Xe Nam Noi-Xe Pian dam, 16 kilometers southeast of Ban Nam Tang, Laos, elevation 730 meters. Holotype: ZRC 40361. Paratypes: CAS 91777 (160), MNHN 1997-0002 (159), USNM 344489 (162), ZRC 40362-63 (158, 1). •Valid as Sewellia elongata Roberts 1998 -- (Freyhof & Serov 2000:230 [ref. 25068], Kottelat 2001:119 [ref. 25780], Freyhof 2003:225 [ref. 27390], Kottelat 2012:70 [ref. 32367], Kottelat 2013:196 [ref. 32989], Endruweit & Nguyen 2016:300 [ref. 34912]). Current status: Valid as Sewellia elongata Roberts 1998. Gastromyzontidae. Distribution: Southeast Asia: Mekong River basin, Laos. Habitat: freshwater.