pecosensis, Cyprinodon Echelle [A. A.] & Echelle [A. F.] 1978:573, Figs. 2-3 [Copeia 1978 (no. 4); ref. 8937] Oxbow of Pecos River at Bitter Lake National Wildlife Refuge, Chaves County, New Mexico, U.S.A. Holotype: TU 97127. Paratypes: BU 1904 (31), 1905 (45); TNHC 4805 (43), 4812 (45), 4816 (64), 4820 (71), 4847 (73), 4854 (91); TU 97026 (19 lots). Type catalog: Bart & Taylor 1993:51-52 [ref. 20906]. •Valid as Cyprinodon pecosensis Echelle & Echelle 1978 -- (Lee et al. 1980:499 [ref. 22416], Echelle et al. 1987:668 [ref. 22451], Tomelleri & Eberle 1990:145 [ref. 24089], Page & Burr 1991:227 [ref. 18983], Lazara 2001:91 [ref. 25711], Nelson et al. 2004:109 [ref. 27807], Scharpf 2007:33 [ref. 30398], Page & Burr 2011:455 [ref. 31215], Page et al. 2013:107 [ref. 32708], Esmaeili et al. 2018:15 [ref. 36738], Page et al. 2023:142 [ref. 40505]). Current status: Valid as Cyprinodon pecosensis Echelle & Echelle 1978. Cyprinodontidae: Cyprinodontinae. Distribution: North America: Texas and New Mexico (reduced range) (U.S.A.). Habitat: freshwater.