Čeleď: Congridae Kaup, 1856
Rod: Xenomystax Gilbert, 1891
Xenomystax rictus Garman, 1899.
úhořovec černavý
Gilbert, C. H. 1891. Descriptions of apodal fishes from the tropical Pacific. In: Scientific results of explorations by the U. S. Fish Commission steamer Albatross. Proc. U. S. Natl. Mus. v. 14 (no. 856): 347-352.