tietensis, Otocinclus (Microlepidogaster) Ihering [R. von] 1907:26 [Notas preliminares; editadas pela redaccão da Revista do Museu Paulista v. 1 (fasc. 1); ref. 2294] Rio Tietê, São Paulo, Brazil. Holotype (unique): DZSASP [now MZUSP] (not found). Type catalog: Britski 1969:200 [ref. 12401], Ferraris 2007:290 [ref. 29155]. •Valid as Otocinclus tietensis Ihering 1907 -- (Isbrücker 1980:85 [ref. 2303]). •Valid as Pseudotocinclus tietensis (Ihering 1907) -- (Burgess 1989:439 [ref. 12860], Montoya-Burgos et al. 1998:367 [ref. 23850], Isbrücker 2001:30, 32 [ref. 25653], Isbrücker 2002:28 [ref. 27178], Schaefer in Reis et al. 2003:327 [ref. 27061], Takako et al. 2005:501 [ref. 28465], Ferraris 2007:290 [ref. 29155], Chiachio et al. 2008:610 [ref. 30127], Roxo et al. 2017:352 [ref. 35310]). Current status: Valid as Pseudotocinclus tietensis (Ihering 1907). Loricariidae: Hypoptopomatinae. Distribution: Upper Tietê River, Brazil. Habitat: freshwater.