by country
by family
   Aplocheiloidei
   Cyprinodontoidei
     Anablepidae
     Aplocheilichthyinae
     Cyprinodontoidea
       Cyprinodontidae
         Cubanichthyinae
         Cyprinodontinae
           Aphaniini
           Cyprinodontini
           Orestiadini
             Orestias
               agassii
               alba
               ascotanensis
               chungarensis
               crawfordi
               ctenolepis
               cuvieri
               elegans
               empyraeus
               forgeti
               frontosa
               gilsoni
               gloriae
               gracilis
               gymnota
               hardini
               imarpe
               incae
               ispi
               jussiei
               laucaensis
               lutea
               minima
               minuta
               mooni
               mulleri
               multiporis
               munda
               olivacea
               parinacotensis
               pentlandii
               piacotensis
               polonorum
               puni
               richersoni
               robusta
               rotundipinnis
               silustani
               taquiri
               tchernavini
               tomcooni
               tschudii
               tutini
               uruni
               ututo
     Fluvuphylacidae
     Funduloidea
     Goodeoidea
     Poecilioidea
     Procatopodidae
     Valencioidea
   Pantanodontoidei