ericius, Hypostomus Armbruster [J. W.] 2003:25, Fig. 9 [Zootaxa No. 249; ref. 27426] 1 kilometer upstream from Caterpiza, River Marañon, Amazonas, Peru. Holotype: MUSM 17441. Paratypes: AMNH 218035 (1); ANSP 176149 (1); INHS 36876 (1); LACM 39947-7 (1), 41893-6 (1), 42004-9 (1); SIUC 29195 (1); USNM 357392 (1). Type catalog: Ferraris 2007:253 [ref. 29155]. The holotype is listed both as the holotype and as a paratype. •Valid as Hypostomus ericius Armbruster 2003 -- (Armbruster 2004:79 [ref. 27644], Hollanda Carvalho & Weber 2004:955 [ref. 28067], Ferraris 2007:253 [ref. 29155], Barriga Salazar 2014:112 [ref. 35745], Tencatt et al. 2014:601 [ref. 33520], Meza-Vargas et al. 2021:26 [ref. 39298]). Current status: Valid as Hypostomus ericius Armbruster 2003. Loricariidae: Hypostominae. Distribution: South America: upper Amazon River basin (Ecuador and Peru). Habitat: freshwater.