leopoldi, Catostomus Siebert [D. J.] & Minckley [W. L.] 1986:2, Figs. 1, 2a, 3a, c, e [American Museum Novitates No. 2849; ref. 8039] Arroyo Moctezuma, Río Gavilán, 29°51'N, 108°24'W, Chihuahua, Mexico, elevation 2180 meters. Holotype: UMMZ 213391. Paratypes: AMNH 50708SD (1, dry skeleton), 50709 (44), 51301SD (2, dry skeletons); ASU 10559-61 (42, 10, 47); UMMZ 213392 (20). Type catalog: Gilbert 1998:190 [ref. 23395]. •Valid as Catostomus leopoldi Siebert & Minckley 1986 -- (Espinosa Pérez et al. 1993:22 [ref. 22290], Gilbert 1998:190 [ref. 23395], Nelson et al. 2004:78 [ref. 27807], Miller 2006:147 [ref. 28615], Scharpf 2006:7 [ref. 30386], Minckley & Marsh 2009:197 [ref. 31114], Page et al. 2013:79 [ref. 32708], Page et al. 2023:63 [ref. 40505], Fricke et al. 2024:158 [ref. 41622]). Current status: Valid as Catostomus leopoldi Siebert & Minckley 1986. Catostomidae: Catostominae. Distribution: Southern North America: Río Bavispe drainage, Chihuahua and Sonora (Mexico) endemic. Habitat: freshwater.