rhombocephala, Harttia Miranda Ribeiro [P. de] 1939:11, Pl. 2 (lower) [Boletim Biológico, São Paulo (Nova Série) v. 4 (no. 1); ref. 3024] Rio Farias, Rio de Janeiro State, Brazil. Holotype (unique): Seçao de Zool. do Mus. Nacional [now MNRJ]. Type catalog: Ferraris 2007:242 [ref. 29155]. •Valid as Harttia rhombocephala Miranda Ribeiro 1939 -- (Isbrücker 1980:90 [ref. 2303], Burgess 1989:439 [ref. 12860], Oyakawa 1993:19 [ref. 21109], Langeani et al. 2001:141 [ref. 25126], Rapp Py-Daniel & Oliveira 2001:80 [ref. 25404], Isbrücker 2001:27 [ref. 25653], Isbrücker 2002:16 [ref. 27178], Ferraris in Reis et al. 2003:335 [ref. 27061], Provenzano et al. 2005:521 [ref. 28461], Ferraris 2007:242 [ref. 29155], Oyakawa et al. 2013:785 [ref. 33027], Oyakawa et al. 2018:85 [ref. 35818]). Current status: Valid as Harttia rhombocephala Miranda Ribeiro 1939. Loricariidae: Loricariinae. Distribution: Farias River basin and Eastcoast rivers, Brazil. Habitat: freshwater.