speciosa, Sewellia Roberts [T. R.] 1998:279, Fig. 5 [Raffles Bulletin of Zoology v. 46 (no. 2); ref. 23902] Lower Xe Nam Noi, 1.5 kilometers downstream from bridge on route 232 to Attapeu, 26 kilometers from Ban Nam Tang, Laos, elevation 270 meters. Holotype: ZRC 40368. Paratypes: MNHN 1997-003 (21), USNM 344490 (21), ZRC 40369-72 (49, 148, 10, 8). •Valid as Sewellia speciosa Roberts 1998 -- (Freyhof & Serov 2000:230 [ref. 25068], Kottelat 2001:119 [ref. 25780], Freyhof 2003:225 [ref. 27390], Kottelat 2012:71 [ref. 32367], Kottelat 2013:196 [ref. 32989], Endruweit & Nguyen 2016:300 [ref. 34912]). Current status: Valid as Sewellia speciosa Roberts 1998. Gastromyzontidae. Distribution: Southeast Asia: Mekong River basin, Laos. Habitat: freshwater.