Original description as Apistogramma ortmanni rupununi:
- Fowler, Henry W. 1914. "Fishes from the Rupununi River, British Guiana". Proceedings of the Academy of Natural Sciences of Philadelphia. v. 66; pp. 229-284 (crc01206)
Conservation: Apistogramma rupununi is not evaluated by the international union for the conservation of nature in the iucn red list of threatened species.