pachonensis, Silvinichthys Fernández [L.] & Liotta [J.] 2016:376, Figs. 1, 4a [Ichthyological Exploration of Freshwaters v. 27 (no. 4) for Dec.; ref. 34919] El Pachón, near Río Santa Cruz, departamento Calingasta, Provincia de San Juan, Argentina, 31°44'01"S, 70°17'19"W, elevation 3048 meters. Holotype: MPSZI 1381. Paratypes: CFA-IC 11807 [ex ILPLA 1807] (1); MPSZI 1382 (1). Type catalog: Bogan et al. 2019:16 [ref. 37088]. •Valid as Silvinichthys pachonensis Fernández & Liotta 2016 -- (Koerber et al. 2017:5 [ref. 35083], Koerber et al. 2017:6 [ref. 35632], Koerber et al. 2019:7 [ref. 36736], Mirande & Koerber 2020:2 [ref. 37594]). Current status: Valid as Silvinichthys pachonensis Fernández & Liotta 2016. Trichomycteridae: Trichomycterinae. Distribution: South America: Andean cordillera of San Juan (Argentina), Habitat: freshwater.