Typová lokalita
Rapids, channels and pools just upstream of cachoeira do Jericoá, Rio Xingu, Pará, Brazil, 3°21'54.1"S, 51°43'58.9"W.
Původní popis
Sabaj Pérez, M. H., Arce, H. M., Donahue, D., Cramer, A. & de Sousa, L. M. 2022. Synbranchus of the middle to lower Xingu basin, Brazil, with the description of a new rheophilic species, S. royal (Synbranchiformes: Synbranchidae). Proceedings of the Academy of Natural Sciences of Philadelphia v. 166: 1-23.
Použitá literatura
Fricke, R., Eschmeyer, W. N. & Van der Laan, R. (eds). 2024. Eschmeyer's catalog of fishes: Genera, species, references. World Wide Web.