uroflammeus, Rivulus Bussing [W. A.] 1980:338, Figs. 2B, 5B, 6B [Brenesia No. 17; ref. 8732] Pond at San Vito landing field, tributary to Río Coto Brus, Puntarenas Province, Costa Rica, elevation 990 meters. Holotype: LACM 38275-1. Paratypes: LACM 38275-2 (7); UCR 805-2 (1), 807-1 (22 or 30), 808-3 (1), 1192-1 (2), 1199-1 (9). Type catalog: Angulo et al. 2015:373 [ref. 35212]. A second subspecies is described on p. 340. •Valid as Rivulus uroflammeus Bussing 1980, subspecies uroflammeus Bussing 1980 -- (Lazara 2001:285 [ref. 25711], Etzel & Berkenkamp 1992:30 [ref. 32437]). •Valid as Rivulus uroflammeus Bussing 1980 -- (Bussing 1987:124 [ref. 22927], Huber 1992:435 [ref. 20639], Bussing 1998:179 [ref. 24179], Costa in Reis et al. 2003:539 [ref. 27061], Costa 2006:139 [ref. 28875] in subgenus Cynodonichthys). •Valid as Cynodonichthys uroflammeus (Bussing 1980) -- (Costa 2011:242 [ref. 31655], Angulo et al. 2013:995 [ref. 33194], Angulo et al. 2020:6 [ref. 37425]). Current status: Valid as Cynodonichthys uroflammeus (Bussing 1980). Rivulidae: Rivulinae. Distribution: Central America: Pacific slope of Costa Rica. Habitat: freshwater.