siegfriedi, Rivulus uroflammeus Bussing [W. A.] 1980:340, Figs. 2C, 5C, 6C [Brenesia No. 17; ref. 8732] Stream tributary to Río Térraba, 3.6 kilometers south of Palmar Norte, Puntarenas Province, Costa Rica, elevation 20 meters. Holotype: LACM 38274-1. Paratypes: LACM 38274-2 (5); UCR 111-16 (8), 112-20 (1), 1195-1 (1), 1196-1 (2), 1197-1 (4). Type catalog: Angulo et al. 2015:373 [ref. 35212]. •Doubtfully valid as Rivulus uroflammeus Bussing 1980, subspecies siegfriedi Bussing 1980 -- (Huber 1992:400 [ref. 20639]). •Synonym of Rivulus uroflammeus Bussing 1980, but a valid subspecies as described -- (Bussing 1998:179 [ref. 24179], Lazara 2001:285 [ref. 25711]). •Valid as Rivulus siegfriedi Bussing 1980 -- (Costa in Reis et al. 2003:539 [ref. 27061], Costa 2006:139 [ref. 28875] in subgenus Cynodonichthys). •Valid as Cynodonichthys siegfriedi (Bussing 1980) -- (Costa 2011:242 [ref. 31655], Angulo et al. 2013:995 [ref. 33194]). Current status: Valid as Cynodonichthys siegfriedi (Bussing 1980). Rivulidae: Rivulinae. Distribution: Pacific river basins, Costa Rica. Habitat: freshwater.