Specie descritta (3):
- Arizonichthys psammophilus Nichols, 1940, synonym
- Hemieleotris carmenensis Nichols, 1952, synonym
- Rivulus heyei Nichols, 1914, synonym
Pubblicazioni (3):
- Nichols, John Treadwell. 1914. "Gobiosoma longum and Rivulus heyei, new fishes from the West Indian fauna". Bulletin of the American Museum of Natural History. 33(10):143-144 (ffm00078)
- Nichols, John Treadwell. 1940. "Results of the Archbold expeditions. No. 28. A new tooth-carp from Arizona". American Museum Novitates. (1084):1-2 (ffm00032)
- Nichols, John Treadwell. 1952. "Four new gobies from the eastern and western Pacific". American Museum Novitates. (1594):1-5 (ffm00395)