Trachonurus, Gunther, 1887

Iwamoto, Tomio, Nakayama, Naohide, Shao, Kwang-Tsao & Table, Hsuan-Ching Ho, 2015, Synopsis of the Grenadier Fishes (Gadiformes; Teleostei) of Taiwan, Proceedings of the California Academy of Sciences 62 (3), pp. 31-126 : 103

Key to the Species of Trachonurus in Taiwan

1a. Body scales relatively large and coarsely spinulated; 8 or 9 scale rows between V base and gill cover............................................................ T. sentipellis

1b. Body scales smaller, finer spinulated; about 10–14 scale rows between V base and gill cover.................................................................. T. villosus