davisi, Pygidium Haseman [J. D.] 1911:380, Pl. 77; Fig. 1 [Annals of the Carnegie Museum v. 7 (nos 3-4) (19); ref. 2048] Serrinha Paraná, Rio Iguaçu system, Brazil. Holotype: FMNH 60309 [ex CM 2862]. Paratypes: FMNH 54242 [ex CM 2861] (9). Type catalog: Henn 1928:80 [ref. 12305], Ibarra & Stewart 1987:72 [ref. 12367], Ferraris 2007:417 [ref. 29155]. •Valid as Trichomycterus davisi (Haseman 1911) -- (Burgess 1989:322 [ref. 12860], Fernández 2000:32 [ref. 26195], Miquelarena & Fernández 2000:42 [ref. 27633], Fernández & Bichuette 2002:278 [ref. 26539], Miquelarena et al. 2002:78 [ref. 26517], de Pinna & Wosiacki in Reis et al. 2003:281 [ref. 27061], López et al. 2003:40 [ref. 27366], Wosiacki & Garavello 2004:5 [ref. 27649], Bockmann et al. 2004:227 [ref. 27855], Menni 2004:82 [ref. 28131], Ferraris 2007:417 [ref. 29155], Barbosa & Costa 2011:308 [ref. 31672], Datovo et al. 2012:41 [ref. 31994], Ferrer & Malabarba 2013:217 [ref. 32750], Mirande & Koerber 2015:37 [ref. 35117], García-Melo et al. 2016:238 [ref. 34471], Bertaco et al. 2016:421 [ref. 34561] as cf. davisi, Nascimento et al. 2017:507 [ref. 35440]). •Valid as Cambeva davisi (Haseman 1911) -- (Katz et al. 2018:563 [ref. 36330], Koerber et al. 2019:7 [ref. 36736], Reis et al. 2019:12 [ref. 37163], Donin et al. 2020:16 [ref. 37395], Katz & Costa 2020:11 [ref. 37397], Mirande & Koerber 2020:2 [ref. 37594], Reis et al. 2020:470 [ref. 38364], Reis et al. 2021:18 [ref. 38862], Donin et al. 2022:4 [ref. 39872], Reis et al. 2023:8 [ref. 40059], Martins et al. 2024:23 [ref. 41475], Costa et al. 2024:216 [ref. 41551]). Current status: Valid as Cambeva davisi (Haseman 1911). Trichomycteridae: Trichomycterinae. Distribution: South America: upper Paraná, Iguaçu and Ribeira de Iguapé River basins (Argentina and Brazil). Habitat: freshwater.