batrachostoma, Gyrinurus Miranda Ribeiro [A. de] 1912:28, Pl. [Loricariidae, Callichthyidae, Doradidae e Trichomycteridae Annexo no. 5; ref. 3718] Rio Paraguay at São Luiz de Cáceres, Corumba, Mato Grosso State, Brazil. Holotype (unique): MNRJ 786. Type catalog: Miranda Ribeiro 1955:405 [ref. 12732] and spelled batrachotomus once, Miranda Ribeiro 1954:14 [ref. 21988], Ferraris 2007:409 [ref. 29155]. •Valid as Ochmacanthus batrachostoma (Miranda Ribeiro 1912) (sometimes seen as batrachostomus) -- (Casciotta & Almirón 1996:52 [ref. 25534], Britski et al. 1999:93 [ref. 24147], de Pinna & Wosiacki in Reis et al. 2003:276 [ref. 27061], López et al. 2003:38 [ref. 27366], Menni 2004:82 [ref. 28131], Ferraris 2007:409 [ref. 29155], Sarmiento et al. 2014:192 [ref. 35004] as batrachostomus, DoNascimiento 2015:947 [ref. 34078], Fernández et al. 2015:13 [ref. 35041], Mirande & Koerber 2015:36 [ref. 35117], Neto & de Pinna 2016:[2] [ref. 34386], Koerber et al. 2017:54 [ref. 35267]). Current status: Valid as Ochmacanthus batrachostoma (Miranda Ribeiro 1912). Trichomycteridae: Stegophilinae. Distribution: Paraná-Paraguay river basin, Argentina, Brazil, Bolivia and Paraguay. Habitat: freshwater.