Template:Myers;1944
- Myers, G.S. 1944. Two extraordinary new blind nematognath fishes from the Rio Negro, representing a new subfamily of Pygidiidae, with a rearrangement of the genera of the family, and illustrations of some previously described genera and species from Venezuela and Brazil. Proceedings of the California Academy of Sciences (Series 4) 23(40): 591–602, Pls. 52–56. BHL