Original description:
- Eigenmann, Carl H. 1912. "The freshwater fishes of British Guiana, including a study of the ecological grouping of species, and the relation of the fauna of the plateau to that of the lowlands". Memoirs of the Carnegie Museum. 5:1:i-xxii + 1-578 (crc00216) (abstract)
Type species: Acara heckelii Müller & Troschel, 1848 (original designation).
Described species included (3):
valid: 1 synonym: 2- Acara heckelii Müller & Troschel, 1848 (valid)
- Geophagus thayeri Steindachner, 1875 (synonym)
- Acara subocularis Cope, 1878 (synonym)