Neornithes Gadow, 1893 - living birds
   Neognathae Pycraft 1900 see Cohort Neognathae Pycraft, 1900
     Neoaves Sibley et al. 1988 see Subcohort Neoaves Sibley et al., 1988
       Pici see Suborder Pici Meyer & Wolf, 1810
         Family Ramphastidae Vigors, 1825 - toucans and barbets
           Subfamily Ramphastinae - toucans see Family Ramphastidae Vigors, 1825
             Genus Ramphastos Linnaeus, 1758
               1 Ramphastos dicolorus Linnaeus, 1766 - red-breasted toucan
               2 Ramphastos vitellinus M.H.K. Lichtenstein, 1823 - channel-billed toucan
               3 Ramphastos brevis Meyer de Schauensee, 1945 - Choco toucan
               4 Ramphastos sulfuratus Lesson, 1830 - keel-billed toucan
               5 Ramphastos toco P.L. Statius Müller, 1776 - Toco toucan
               6 Ramphastos tucanus Linnaeus, 1758 - red-billed toucan
               7 Ramphastos swainsonii Gould, 1833 - chestnut-mandibled toucan
               8 Ramphastos ambiguus Swainson, 1823 - black-mandibled toucan