Phallichthys quadripunctatus Bussing, 1979 .

Spotted Livebearer; Olomina, Alumina, Pepesca.

Distribution: Global: Middle America; from eastern Costa Rica to (probably) western Panama, Atlantic drainages; Costa Rica: Si (Atlantic), 0–40 m.a.s.l., Sec, Pot.

Occurrence and conservation status: End, EN.

References: Bussing (1979a: 3; detailed description, including illustrations, information on distribution and ecology; 1987: 142; 1998: 216; brief description, including illustrations and an identification key, information on distribution, with a map, and ecology) and Angulo et al. (2013: 996; listed, including taxonomic information and distributional data).