Výskyt
Severní Amerika — řeky Red, Ouachita a Saline, Ouachita Highlands, jihovýchod USA.
Typová lokalita
Caddo River at Caddo Gap, Montgomery Co., Arkansas, U.S.A., 34.39777, -93.62171.
Původní popis
Fast, K. M., Hundt, P. J., Alley, Z. D. & Sandel, M. W. 2025. Phylogenomic species delimitation of studfishes (Fundulidae: Fundulus): evidence for cryptic species in agreement with the Central Highlands vicariance hypothesis. Zootaxa 5604 (no. 3): 309-328.
Použitá literatura
Fricke, R., Eschmeyer, W. N. & Van der Laan, R. (eds). 2025. Eschmeyer's catalog of fishes: Genera, species, references. World Wide Web.