After Ghedotti 2000, with Recent species from Froese & Pauly, 2001 [“The FishBase”]

Alternative phylogeny after Lucinda & Reis, 2005

<==o Poeciliinae (miljoonakalat, poikivat hammaskarpit)
   |--o Alfaro ()? [Alfarini] [2]
   |  |-- A. cultratus (Regan, 1908)
   |  `-- A. huberi (Fowler, 1923)
   `--+--o Priapella [Priapellini] ()? [Gh: 3] [FB: 4]
      |  |-- P. bonita (Meek, 1904)
      |  |-- P. compressa Alvarez, 1948
      |  |-- P. intermedia Alvarez & Carranza, 1952
      |  `-- P. olmecae Meyer & Perez, 1990
      `--+-- Gambusini (moskiittokalansukuiset hammaskarpit) [FB: 3/48]
         `--+-- Heterandrini ()? [FB: 4/38]
            `--+--+-- Girardini (metallihammaskarpinsukuiset hammaskarpit) [FB: 3/10]
               |  `-- Poeciliini (miljoonakalansukuiset hammaskarpit) [FB: 5/84]
               `--+-- Cnestrodontini ()? [FB: 5/10]
                  |-- Xenodexia ctenolepis Hubbs, 1950 ()? [Xenodexiini] ()?
                  `--o Scolichthys ()? [2] [Scolichthyini]
                     |-- S. greenwayi Rosen, 1967
                     `-- S. iota Rosen, 1967

Reference(s):