Original description:
- Eigenmann, Carl H.. 1908. "Preliminary descriptions of new genera and species of tetragonopterid characins. (Zoölogical Results of the Thayer Brazilian expedition.)". Bulletin of the Museum of Comparative Zoology. 52(6):91-106 (ffm00225)
Type species: Hemigrammus compressus Meek, 1904 (original designation).