After Froese & Pauly, 2001 [“The FishBase”], and Oliver, 1997-2005 [“The cichlid fishes of Lake Malawi, Africa”]

<==o Lethrinops Regan, 1922 [32, 8 undescribed]
   |-- L. albus Regan, 1922
   |-- L. altus Trewavas, 1931
   |-- L. argenteus Ahl, 1926
   |-- L. auritus (Regan, 1922) (Golden sand-eater)
   |-- L. christyi Trewavas, 1931
   |-- L. sp. “deep-water albus”
   |-- L. furcifer Trewavas, 1931 (Greenface sandsifter)
   |-- L. gossei Burgess & Axelrod, 1973
   |-- L. leptodon Regan, 1922
   |-- L. lethrinus (Günther, 1894)
   |-- L. longimanus Trewavas, 1931
   |-- L. longipinnis Eccles & Lewis, 1978
   |-- L. lunaris Trewavas, 1931
   |-- L. macracanthus Trewavas, 1931
   |-- L. macrochir (Regan, 1922)
   |-- L. macrophthalmus (Boulenger, 1908)
   |-- L. marginatus Ahl, 1926 (Lethrinops rounded head)
   |-- L. micrentodon (Regan, 1922)
   |-- L. sp. “micrentodon Makokola”
   |-- L. microdon Eccles & Lewis, 1977
   |-- L. microstoma Trewavas, 1931 (Littletooth sandeater)
   |--o L. mylodon Eccles & Lewis, 1979
   |  |-- L. m. borealis Eccles & Lewis, 1979
   |  `-- L. m. mylodon Eccles & Lewis, 1979
   |-- L. oculatus Trewavas, 1931
   |-- L. sp. “oliveri”
   |-- L. parvidens Trewavas, 1931 (Lethrinops red flush)
   |-- L. stridei Eccles & Lewis, 1977
   |-- L. turneri Ngatunga & Snoeks, 2003
   |-- L. sp. “yellow chin”
   |-- L. sp. A
   |-- L. sp. B
   `-- L. sp. C

Reference(s):