Původní popis
Munroe, T. A. 1990. Eastern Atlantic tonguefishes (Symphurus: Cynoglossidae, Pleuronectiformes), with descriptions of two new species. Bull. Mar. Sci. v. 47 (no. 2): 464-515.
Použitá literatura
Fricke, R., Eschmeyer, W. N. & Van der Laan, R. (eds). 2024. Eschmeyer's catalog of fishes: Genera, species, references. World Wide Web.