filamentissima, Harttia Eigenmann [C. H.] & Allen [W. R.] 1942:211, Pl. 8 (figs. 1-2) [Fishes of western South America; ref. 1246] Río Huallaga, upper Amazon River basin, Peru. Holotype: CAS 28541 [ex IU 15378]. Paratypes: CAS 28542 [ex IU 15379] (1). Type catalog: Ferraris 2007:264 [ref. 29155]. •Valid as Harttia filamentissima Eigenmann & Allen 1942 -- (Ovchynnyk 1967:38 [ref. 37559] as Hartia filamentissima). •Questionably a synonym of Lamontichthys filamentosus (LaMonte 1935) -- (Isbrücker 1980:91 [ref. 2303]). •Synonym of Lamontichthys filamentosus (LaMonte 1935) -- (Isbrücker 2001:27 [ref. 25653], Ferraris in Reis et al. 2003:336 [ref. 27061], Ferraris 2007:264 [ref. 29155], Paixão & Toledo-Piza 2009:527 [ref. 30675]). Current status: Synonym of Lamontichthys filamentosus (LaMonte 1935). Loricariidae: Loricariinae. Habitat: freshwater.