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
       [Order] Passeriformes Linnaeus, 1758
         oscines see Suborder Oscines
           Passerida - passeridans see Parvorder Passerida (C. Linnaeus, 1758) Sibley et al., 1988
             Muscicapoidea
               Family Troglodytidae Swainson, 1832 - wrens
                 Genus Campylorhynchus Spix, 1824
                   01 Campylorhynchus albobrunneus (Lawrence, 1862)
                   02 Campylorhynchus zonatus (Lesson, 1832)
                   03 Campylorhynchus megalopterus Lafresnaye, 1845
                   04 Campylorhynchus nuchalis Cabanis, 1847
                   05 Campylorhynchus fasciatus (Swainson, 1838)
                   06 Campylorhynchus chiapensis Salvin & Godman, 1891
                   07 Campylorhynchus griseus (Swainson, 1838)
                   08 Campylorhynchus rufinucha (Lesson, 1838)
                   09 Campylorhynchus gularis P.L. Sclater, 1861
                   10 Campylorhynchus jocosus P.L. Sclater, 1859
                   11 Campylorhynchus yucatanicus (Hellmayr, 1934)
                   12 Campylorhynchus brunneicapillus (Lafresnaye, 1835) - cactus wren
                   13 Campylorhynchus turdinus (Wied-Neuwied, 1821)