paucispinis, Mastacembelus Fowler [H. W.] 1939:75, Fig. 23 [Proceedings of the Academy of Natural Sciences of Philadelphia v. 91; ref. 17188] Waterfall at Trang, Thailand. Holotype: ANSP 68517. Paratypes: ANSP 68518 (1). Type catalog: Böhlke 1984:127 [ref. 13621]. Objectively invalid; preoccupied by Mastacembelus paucispinis Boulenger 1899. Replaced by Macrognathus tapirus Kottelat & Widjanarti 2005. •In the synonymy of Mastacembelus tapirus (Kottelat & Widjanarti 2005) -- (Kottelat & Widjanarti 2005:168 [ref. 28284]). •In the synonymy of Macrognathus tapirus Kottelat & Widjanarti 2005 -- (Kottelat 2013:312 [ref. 32989]). 1°Homonym. Current status: Synonym of Macrognathus tapirus Kottelat & Widjanarti 2005. Mastacembelidae. Habitat: freshwater.