filamentosa, Harttia LaMonte [F. R.] 1935:5, Fig. 4 [American Museum Novitates No. 784; ref. 13893] Near Envira, near mouth of Rio Embira, tributary of River Tarauaca, itself a tributary to Rio Jurua, Amazonas, Brazil. Holotype: AMNH 12616. Paratypes: AMNH 26941 (1), ?MSNM 41 [ex MSNM 4721 and ex AMNH] (1). Type catalog: Conci & Michelangeli 1974:226 [ref. 21560], Ferraris 2007:264 [ref. 29155]. •Valid as Lamontichthys filamentosus (LaMonte 1935) -- (Ovchynnyk 1967:38 [ref. 37559], Isbrücker 1980:91 [ref. 2303], Ortega & Vari 1986:17 [ref. 9708], Burgess 1989:440 [ref. 12860], Isbrücker 2001:27, 29 [ref. 25653], Isbrücker 2002:20 [ref. 27178], Ferraris in Reis et al. 2003:336 [ref. 27061], Ferraris 2007:264 [ref. 29155], Paixão & Toledo-Piza 2009:527 [ref. 30675], Barriga Salazar 2014:112 [ref. 35745], Sarmiento et al. 2014:191 [ref. 35004], DoNascimiento et al. 2017:77 [ref. 35633], Meza-Vargas et al. 2021:26 [ref. 39298]). Current status: Valid as Lamontichthys filamentosus (LaMonte 1935). Loricariidae: Loricariinae. Distribution: South America: Amazon River basin (Bolivia, Brazil, Colombia, Ecuador and Peru). Habitat: freshwater.