multiradiatus, Heptapterus Ihering [R. von] 1907:20 [21] [Notas preliminares; editadas pela redaccão da Revista do Museu Paulista v. 1 (fasc. 1); ref. 2294] Ribeirão do Alto da Serra, Estado de São Paulo, Brazil. Holotype (?): MZUSP [ex DZSASP] 294. Type catalog: Britski 1969:205 [ref. 12401], Ferraris 2007:184 [ref. 29155]. In Portuguese on p. 21. •Valid as Heptapterus multiradiatus Ihering 1907 -- (Buckup 1988:651 [ref. 6635], Burgess 1989:277 [ref. 12860], Ferraris 2007:184 [ref. 29155], Aguilera et al. 2011:243 [ref. 31080], Azpelicueta et al. 2011:326 [ref. 31489]). Current status: Valid as Heptapterus multiradiatus Ihering 1907. Heptapteridae: Heptapterinae. Distribution: Upper Tietê River basin, Brazil. Habitat: freshwater.