Species that contain: Xiphophorus and montezumae [ 3 ] records

birchmanni, Xiphophorus montezumae Lechner [P.] & Radda [A. C.] 1987:191, Figs. 3-5 [Aquaria: Vivaristische Fachzeitschrift mit Vereinsmitteilungen v. 34 (no. 12); ref. 9181] Río Talol-River Tempoal subsystem of Río Panuco systems, Orizatlán village, Hidlago, Mexico, elevation 400 meters. Holotype: SMF 21154. Paratypes: SMF 21155-56 (11, 4). •Valid as Xiphophorus birchmanni Lechner & Radda 1987 -- (Espinosa Pérez et al. 1993:54 [ref. 22290], Rodriguez 1997:674 [ref. 23266], Morris et al. 2001:69 [ref. 25123], Meyer & Schartl 2002:59 [ref. 26066], Lucinda in Reis et al. 2003:573 [ref. 27061], Nelson et al. 2004:105 [ref. 27807], Lucinda & Reis 2005:44 [ref. 29205], Miller 2006:255 [ref. 28615], Scharpf 2007:22 [ref. 30398], Page et al. 2013:111 [ref. 32708], Meyer 2015:372 [ref. 34698], Huber 2019:143 [ref. 36941]). Current status: Valid as Xiphophorus birchmanni Lechner & Radda 1987. Poeciliidae: Poeciliinae. Distribution: Highlands of the Atlantic slope of Mexico. Habitat: freshwater.

cortezi, Xiphophorus montezumae Rosen [D. E.] 1960:96, Figs. 10, 11, 13, 30 [Bulletin of the Florida State Museum, Biological Sciences v. 5 (no. 4); ref. 11945] Arroyo Matlapa at Comoca, north of Axtla, San Luis Potosí, Mexico. Holotype: UMMZ 177302. Paratypes: UMMZ 177303 (1, allotype). Other material: UMMZ 108602 (21), 108678 (1), 108679 (3), 124174 (4), 124331 (312), 124341 (46), 124353 (55), 124364 (9), 124374 (128), 194958 (53), 196923 (67), 196930 (37). •Synonym of Xiphophorus montezumae Jordan & Snyder 1899, but a valid subspecies as described -- (Rosen & Bailey 1963:65 [ref. 7067]). •Valid as Xiphophorus cortezi Rosen 1960 -- (Rosen 1979:357 [ref. 22796], Espinosa Pérez et al. 1993:54 [ref. 22290], Rodriguez 1997:674 [ref. 23266], Morris et al. 2001:69 [ref. 25123], Meyer & Schartl 2002:59 [ref. 26066], Meyer & Schartl 2003:63 [ref. 27477], Nelson et al. 2004:105 [ref. 27807], Lucinda & Reis 2005:44 [ref. 29205], Miller 2006:256 [ref. 28615], Scharpf 2007:22 [ref. 30398], Page et al. 2013:111 [ref. 32708], Meyer 2015:376 [ref. 34698], Huber 2019:144 [ref. 36941]). Current status: Valid as Xiphophorus cortezi Rosen 1960. Poeciliidae: Poeciliinae. Distribution: Panuco River basin, Atlantic slope of Mexico. Habitat: freshwater.

montezumae, Xiphophorus Jordan [D. S.] & Snyder [J. O.] 1899:131, Fig. 11 [Bulletin of the U. S. Fish Commission v. 19 [1899]; ref. 2501] Río Verde near Rascon, San Luis Potosi, eastern Mexico. Holotype: CAS-SU 6145. Paratypes: ANSP 210904 (288, received from SU), 27159 (51, received from SU); BMNH 1900.9.29.158-167 (10); NMW 81679 (57); CAS-SU 7146 (31, 4 c&s), 6194 (105). •Valid as Xiphophorus montezumae Jordan & Snyder 1899 -- (Rosen 1979:357 [ref. 22796], Espinosa Pérez et al. 1993:56 [ref. 22290], Rodriguez 1997:674 [ref. 23266], Morris et al. 2001:69 [ref. 25123], Meyer & Schartl 2002:59 [ref. 26066], Lucinda in Reis et al. 2003:574 [ref. 27061], Kallman et al. 2004:9 [ref. 27790], Nelson et al. 2004:106 [ref. 27807], Lucinda & Reis 2005:44 [ref. 29205], Miller 2006:261 [ref. 28615], Scharpf 2007:23 [ref. 30398], Page et al. 2013:111 [ref. 32708], Meyer 2015:396 [ref. 34698] with date 1900, Huber 2019:149 [ref. 36941]). Current status: Valid as Xiphophorus montezumae Jordan & Snyder 1899. Poeciliidae: Poeciliinae. Distribution: Southern North America: San Luis Potosi basin, Atlantic slope of Mexico. Habitat: freshwater.