Original description:
- Regan, Charles Tate. 1922. "The Cichlid Fishes of Lake Nyassa". Proceedings of the Zoological Society of London. 1921(pt 4)36:675-727 (crc00066)
Type species: Hemichromis longiceps Günther, 1864 (original designation).
Described species included (9):
valid: 5 synonym: 4- Hemichromis longiceps Günther, 1864 (valid)
- Paratilapia esox Boulenger, 1908 (valid)
- Rhamphochromis ferox Regan, 1922 (valid)
- Rhamphochromis leptosoma Regan, 1922 (synonym)
- Rhamphochromis macrophthalmus Regan, 1922 (synonym)
- Rhamphochromis woodi Regan, 1922 (valid)
- Rhamphochromis lucius Ahl, 1927 (synonym)
- Rhamphochromis melanotus Ahl, 1927 (synonym)
- Rhamphochromis brevis Trewavas, 1935 (valid)
Potentially undescribed species (12):
- sp. 'longiceps yellowbelly' (undescribed)
- sp. 'chilingali' (undescribed)
- sp. 'grey' (undescribed)
- sp. 'long-fin yellow' (undescribed)
- sp. 'long-snout north' (undescribed)
- sp. 'long-snout south' (undescribed)
- sp. 'longiceps grey-back' (undescribed)
- sp. 'maldeco' (undescribed)
- sp. 'stripe' (undescribed)
- sp. 'big tooth' (undescribed)
- sp. 'kingiri dwarf' (undescribed)
- sp. 'kingiri brevis' (undescribed)