After Froese & Pauly, 2001 ["The FishBase"]

<==o Characidium (pohjatetrat)
   |-- C. alipioi Travassos, 1955
   |-- C. bahiensis Almeida, 1971
   |-- C. bimaculatum Fowler, 1941
   |-- C. boaevistae Steindachner, 1915
   |-- C. boehlkei Géry, 1972
   |-- C. bolivianum Pearson, 1924
   |-- C. borellii (Boulenger, 1895)
   |-- C. brevirostre Pellegrin, 1908
   |-- C. caucanum Eigenmann, 1912
   |-- C. chupa Schultz, 1944
   |-- C. crandellii Steindachner, 1915
   |-- C. declivirostre Steindachner, 1915
   |-- C. etheostoma Cope, 1872
   |-- C. fasciatum Reinhardt, 1866 (Darter characin)
   |-- C. geryi (Zarske, 1997)
   |-- C. gomesi Travassos, 1956
   |-- C. grajahuensis Travassos, 1944
   |-- C. hasemani Steindachner, 1915
   |-- C. interruptum Pellegrin, 1909
   |-- C. japuhybense Travassos, 1949
   |-- C. lagosantense Travassos, 1947
   |-- C. lanei Travassos, 1967
   |-- C. laterale (Boulenger, 1895)
   |-- C. lauroi Travassos, 1946
   |-- C. macrolepidotum (Peters, 1868)
   |-- C. marshi Breder, 1925
   |-- C. oiticicai Travassos, 1967
   |-- C. pellucidum Eigenmann, 1909
   |-- C. phoxocephalum Eigenmann, 1912
   |-- C. pteroides Eigenmann, 1909
   |-- C. pterostictum Gomes, 1947
   |-- C. purpuratum Steindachner, 1882
   |-- C. roesseli Géry, 1965
   |-- C. sanctjohanni Dahl, 1960
   |-- C. schubarti Travassos, 1955
   |-- C. serrano Buckup & Reis, 1997
   |-- C. steindachneri Cope, 1878
   |-- C. sterbai (Zarske, 1997)
   |-- C. tenue (Cope, 1894)
   |-- C. timbuiense Travassos, 1946
   |-- C. vidali Travassos, 1967
   |-- C. zebra Eigenmann, 1909 (raitapohjatetra)
   |--+-- C. rachovii Regan, 1913 (juovapohjatetra)
   |  `--+-- C. occidentale Buckup & Reis, 1997
   |     |-- C. orientale Buckup & Reis, 1997
   |     `-- C. vestigipinne Buckup & Hahn, 2000
   `-- (Jobertina)

Reference(s):