hemicochliodon, Hypostomus Armbruster [J. W.] 2003:29, Fig. 12 [Zootaxa No. 249; ref. 27426] 4.54 kilometers from Iquitos center, 269° bearing, 3°45'07"S, 73°16'59". Río Amazonas drainage at Pampa Chica, Río Nanay, Peru. Holotype: MUSM 17442. Paratypes: AMNH 218019 (1); AUM 28907 (1); FMNH 97010 (1); INHS 36878 (2, 1 c&s), 39690 (1), 39962 (1), 50131 (2, 1 c&s); LACM 39862-5 (1), 39937-6 (1), 39947-5 (2), 41729-34 (1), 41853-3 (1), 42013-4 (1), 41886-2 (1), 41893-4 (1); SIUC 36690 (1). Plus nontype material. Type catalog: Ferraris 2007:254 [ref. 29155]. •Valid as Hypostomus hemicochliodon Armbruster 2003 -- (Armbruster 2004:79 [ref. 27644], Hollanda Carvalho & Weber 2004:955 [ref. 28067], Ferraris 2007:254 [ref. 29155], Carvalho et al. 2010:39 [ref. 30754], Barriga Salazar 2014:113 [ref. 35745], Zawadzki & Carvalho 2014:50 [ref. 33227], Tencatt et al. 2014:601 [ref. 33520], DoNascimiento et al. 2017:82 [ref. 35633], Meza-Vargas et al. 2021:26 [ref. 39298]). Current status: Valid as Hypostomus hemicochliodon Armbruster 2003. Loricariidae: Hypostominae. Distribution: Widespread in central South America: Brazil, Colombia, Ecuador, Peru and Venezuela. Habitat: freshwater.