lennoni, Ilyodon Meyer [M. K.] & Förster [W.] 1983:257, Figs. 1-2 [Zoologische Abhandlungen; Staatliches Museum für Tierkunde in Dresden v. 38 (no. 16); ref. 8303] Arroyo Chacambero near Altamirano, Guerrero, Mexico. Holotype: MTD F 1881. Paratypes: MTD F 1882-83 (2), 1884-85 (2), 1886-90 (5). Type catalog: Zarske 2003:26 [ref. 27474]. •Mention as not valid -- (Miller 2006:283 [ref. 28615]). •Synonym of Ilyodon whitei (Meek 1904) -- (Lyons et al. 2019:139 [ref. 37104]). •Valid as Ilyodon lennoni Meyer & Förster 1983 -- (Espinosa Pérez et al. 1993:42 [ref. 22290], Nelson et al. 2004:107 [ref. 27807], Page et al. 2013:104 [ref. 32708], Beltrán-López et al. 2017:13 [ref. 35506], Huber 2019:30 [ref. 36941], Page et al. 2023:144 [ref. 40505]). Current status: Valid as Ilyodon lennoni Meyer & Förster 1983. Goodeidae: Goodeinae. Distribution: Southern North America: western and central Balsas basin, Pacific slope (Mexico). Habitat: freshwater.