Sphagemacrurus, Fowler, 1925

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 : 100

Key to the Species of Sphagemacrurus in Taiwan

1a. Rays of V 11–14; inner GR-I 8–11; barbel length 15–24% HL; interorbital width 23–28%................................................................... S. pumiliceps

1b. Rays of V 9–11; inner GR-I 11–13; barbel length 13–16% HL; interorbital width 28–32%.................................................................... S. richardi