lyonsi, Cichlasoma Gosse [J.-P.] 1966:16, Fig. 1 [Bulletin de l'Institut Royal des Sciences Naturelles de Belgique v. 42 (no. 28); ref. 9032] Tributary of Río Coto, Puntarenas Province, Costa Rica. Holotype: IRSNB 464. Paratypes: IRSNB 465 (orig. 5, now 3); MZUSP [ex IRSNB 465] (2). Type catalog: Walschaerts 1987:31 [ref. 20755]. •Valid as Cichlasoma lyonsi Gosse 1966 -- (Bussing 1987:204 [ref. 22927], Conkel 1993:86 [ref. 22949]). •Valid as Amphilophus lyonsi (Gosse 1966) -- (Bussing 1998:316 [ref. 24179], Burgess 2000:54 [ref. 24818], Kullander in Reis et al. 2003:610 [ref. 27061], Angulo et al. 2013:1004 [ref. 33194], Říčan et al. 2016:37 [ref. 34357], Angulo et al. 2020:5 [ref. 37425], Angulo et al. 2022:531 [ref. 39581]). Current status: Valid as Amphilophus lyonsi (Gosse 1966). Cichlidae: Cichlinae. Distribution: Central America: Pacific slope of Costa Rica and Panama. Habitat: freshwater.