Species that contain: Mastacembelus and sinensis [ 4 ] records

aculeatum, Ophidium Basilewsky [S.] 1855:248 [Nouveaux mémoires de la Société impériale des naturalistes de Moscou v. 10; ref. 200] Near Beijing, China. No types at ZIN. Objectively invalid; preoccupied by Ophidium aculeatum Bloch 1786, which is now Macrognathus aculeatus. •In family Mastacembelidae -- (Mecklenburg & Sheiko 2004:2 [ref. 27604]). •Synonym of Rhynchobdella sinensis Bleeker 1870 -- (Kottelat & Lim 1994:189 [ref. 21379]). •Treated as valid as Mastacembelus aculeatus (Basilewsky 1855) -- (Zheng 1989:371 [ref. 21202], Zhong in Pan et al. 1991:518 [ref. 23876], Cheng & Zhou 1997:404 [ref. 26385], Tang et al. 2001:15 [ref. 25373] although perhaps confused with Bloch's aculeatus). •Synonym of Sinobdella sinensis (Bleeker 1870) -- (Kottelat 2001:63 [ref. 25482], Kottelat 2013:314 [ref. 32989], Endruweit 2024:113 [ref. 41040]). 1°Homonym. Current status: Synonym of Sinobdella sinensis (Bleeker 1870). Mastacembelidae. Habitat: freshwater.

kobayashii, Mastacembelus Oshima [M.] 1926:195 [Dobutsugaku Zasshi = Zoological Magazine Tokyo v. 38 (no. 453); ref. 20611] Shiao-li, Hsin-chu, Taiwan. Syntypes: (2, lost). Type catalog: Ho & Shao 2011:40 [ref. 31432]. See also Oshima 1929 [ref. 15916]. Probably now extinct (Ho & Shao 2011:40 [ref. 31432]). •Synonym of Sinobdella sinensis (Bleeker 1870) but a valid subspecies -- (Ho & Shao 2011:40 [ref. 31432]). •Synonym of Sinobdella sinensis (Bleeker 1870) -- (Kottelat 2013:314 [ref. 32989]). •Valid as Sinobdella kobayashii (Oshima 1926) -- (Endruweit 2024:212 [ref. 41040]). Current status: Valid as Sinobdella kobayashii (Oshima 1926). Mastacembelidae. Distribution: East Asia: Taiwan. Habitat: freshwater.

maculatus, Mastacembelus Dabry de Thiersant [P.] 1872:186, Pl. 44 (fig. 5) [La pisciculture et la pêche en Chine; ref. 12507] Chang Jiang [Yangtze River], China. No types known. Objectively invalid; preoccupied by Mastacembelus maculatus Cuvier 1832. •Synonym of Sinobdella sinensis (Bleeker 1879) -- (Kottelat 2013:314 [ref. 32989]). 1°Homonym. Current status: Synonym of Sinobdella sinensis (Bleeker 1870). Mastacembelidae.

sinensis, Rhynchobdella Bleeker [P.] 1870:249, Pl. (bottom fig.) [Verslagen en Mededeelingen der Koninklijke Akademie van Wetenschappen. Afdeeling Natuurkunde (Ser. 2) v. 4; ref. 17069] China. No types known. •Synonym of Mastacembalus aculeatus (Basilewsky 1855) -- (Zheng 1989:371 [ref. 21202]). •Valid as Mastacembelus sinensis (Bleeker 1870) -- (Wang 1984:97 [ref. 22951], Wang et al. 2001:329 [ref. 26566]). •Valid as Rhynchobdella sinensis Bleeker 1870 -- (Travers 1984:142 [ref. 5147]). •Valid as Pararhynchobdella sinensis (Bleeker 1870) -- (Zhu 1995:187 [ref. 25213]). •Valid as Sinobdella sinensis (Bleeker 1870) -- (Kottelat 2001:63 [ref. 25482], Ho & Shao 2011: 40 [ref. 31432], Kottelat 2013:314 [ref. 32989], Zhang et al. 2016:193 [ref. 34477], Endruweit 2024:113 [ref. 41040]). Current status: Valid as Sinobdella sinensis (Bleeker 1870). Mastacembelidae. Distribution: East and southeast Asia: Yellow, Yangtze, Pearl and Red River basins, China and northern Vietnam. Habitat: freshwater.