Cynodonichthys siegfriedi (Bussing, 1980) .

Siegfried’s Rivulus; Olomina, Alumina, Olomina Saltona, Killi, Saltón.

Distribution: Global: Middle America; southeastern Costa Rica, Pacific drainages; Costa Rica: Tr (Pacific), 20– 80 m.a.s.l., Sec, Pot.

Occurrence and conservation status: End, EN.

References: Bussing (1987: 124, as Rivulus uroflammeus siegfriedi —synonym; 1998: 179, as R. uroflammeus siegfriedi —synonym; brief description, including illustrations and an identification key, information on distribution, with a map, and ecology) and Angulo et al. (2013: 995; listed, including taxonomic information and distributional data).