After Froese & Pauly, 2001 [“The FishBase”] and Stauffer & Kellogg, 2002

<==o Pseudotropheus [29]
   |-- P. ater Stauffer, 1988
   |-- P. cyaneus Stauffer, 1988 (Cyan hap)
   |-- P. demasoni Konings, 1994
   |-- P. elegans Trewavas, 1935
   |-- P. elongatus Fryer, 1956 (Elongate mbuna)
   |-- P. fainzilberi Staeck, 1976
   |-- P. flavus Stauffer, 1988
   |-- P. fuscoides Fryer, 1956 [=? P. fuscus [Ribbink et al., 1983, Konings, 1995c]]
   |-- P. fuscus Trewavas, 1935
   |-- P. longior Seegers, 1996
   |-- P. lucerna Trewavas, 1935
   |-- P. sp. cf. P. lucerna “brown”
   |-- P. minutus Fryer, 1956
   |-- P. modestus Johnson, 1974
   |-- P. novemfasciatus Regan, 1922
   |-- P. purpuratus Johnson, 1976
   |-- P. saulosi Konings, 1990
   |-- P. socolofi Johnson, 1974 (Pindani, Socolofi, Powder Blue cichlid)
   |-- P. tursiops Burgess & Axelrod, 1975 [Melanochromis?]
   |-- P. perspicax (Trewavas, 1935); Ribbink et al., 1983 [Melanochromis perspicax Trewavas, 1935]
   |--o P. elongatus -species group
   |  `-- P. elongatus Fryer, 1956 (Elongate mbuna)
   |--o P. “aggressive” -species group
   |  |-- P. sp. “aggressive brown”
   |  |-- P. sp. “aggressive gray”
   |  |-- P. sp. “aggressive gray head”
   |  |-- P. sp. “aggressive yellow fin”
   |  |-- P. sp. “aggressive yellow head”
   |  |-- P. sp. “aggressive zebra”
   |  `-- P. minutus Fryer, 1956
   |--o (Pseudotropheus) Regan, 1922
   |  `--o P. williamsi -species group
   |     |== 6 other undescribed species? [Stauffer & Kellogg, 2002]
   |     |-- P. williamsi (Günther, 1894) (Red top williamsi)
   |     `-- P. galanos Stauffer & Kellogg, 2002
   `--o (Tropheops) Trewavas, 1984a
      |-- P. (T.) gracilior Trewavas, 1935 [P. (T.) tropheops gracilior Trewavas, 1935]
      |-- P.(T.) macrophthalmus Ahl, 1926
      |-- P.(T.) microstoma Trewavas, 1935
      |-- P. (T.) novemfasciatus Regan, 1922
      `--o P. (T.) tropheops Regan, 1922
         |-- P. (T.) t. romandi Colombé, 1979
         `-- P. (T.) t. tropheops Regan, 1922

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