maccus, Panaque Schaefer [S. A.] & Stewart [D. J.] 1993:335, Figs. 18-19 [Ichthyological Exploration of Freshwaters v. 4 (no. 4); ref. 21282] Río Las Marinas, tributary of Río Portuguesa, Río Orinoco basin, about 9°05'N, 69°40'W, Estado Portuguesa, Venezuela. Holotype: MBUCV-V-24010 [ex FMNH 97602]. Paratypes: FMNH 96949 (2, c&s), 97603 (3); MCNG 5433 (10), 5475 (23). Type catalog: Provenzano et al. 1998:13 [ref. 24196], Ferraris 2007:277 [ref. 29155]. •Valid as Panaque maccus Schaefer & Stewart 1993 -- (Burgess & Finley 1996:169 [ref. 22901], Chockley & Armbruster 2002:83 [ref. 26069]). •Valid as Panaqolus maccus (Schaefer & Stewart 1993) -- (Isbrücker et al. 2001:21 [ref. 25649], Isbrücker 2001:30 [ref. 25653], Isbrücker 2002:24 [ref. 27178], Ferraris 2007:277 [ref. 29155], Lujan et al. 2013:197 [ref. 32784], Cramer 2014:69 [ref. 33229], Cramer & Rapp Py-Daniel 2015:469 [ref. 33945], DoNascimiento 2016:533 [ref. 34727], Cramer & Sousa 2016:16 [ref. 34885], Lujan et al. 2017:332, [10] [ref. 35031] subgenus Panaqoco Lujan et al. 2017, DoNascimiento et al. 2017:81 [ref. 35633], Urbano-Bonilla et al. 2018:75 [ref. 35773], Cortés Hernández et al. 2023:457 [ref. 40760]). Current status: Valid as Panaqolus maccus (Schaefer & Stewart 1993). Loricariidae: Hypostominae. Distribution: South America: Orinoco River drainage (Venezuela and Colombia). Habitat: freshwater.