concavus, Empetrichthys latos Miller [R. R.] 1948:105, Pl. 11 [Miscellaneous Publications, Museum of Zoology, University of Michigan No. 68; ref. 13064] Raycraft Ranch, about 0.5 mile north of Pahrump Ranch, Pahrump Valley, Nye County, Nevada, U.S.A. Holotype: UMMZ 141857. Paratypes: UMMZ 140491 (26, now 21), USNM 112071 [ex UMMZ 140491] (5). Now extinct -- (Lazara 2001:97 [ref. 25711]). •Synonym of Empetrichthys latos Miller 1948, but a valid subspecies concavus Miller 1948 as described -- (Lee et al. 1980:505 [ref. 22416], Parenti 1981:516 [ref. 7066], La Rivers 1994:528 [ref. 23389], Wildekamp 1996:14 [ref. 23649], Fuller et al. 1999:324 [ref. 25838], Lazara 2001:97 [ref. 25711], Scoppettone & Rissler 2002:82 [ref. 25956], Scharpf 2007:27 [ref. 30398], Page & Burr 2011:453 [ref. 31215]). Current status: Synonym of Empetrichthys latos Miller 1948. Goodeidae: Empetrichthyinae. Distribution: Spring on Raycraft Ranch, Nevada, U.S.A. [subspecies concavus, extinct]. Habitat: freshwater.