After Frost et al., 2006

Alternative phylogeny after Grant et al., 2006

<==o Cycloramphidae Bonaparte, 1850 [taxonomic history]
   |--o Hylodinae Günther, 1858 [Hylodidae sensu Grant et al., 2006]
   |  |-- Crossodactylus Duméril & Bibron, 1841
   |  |-- Hylodes Fitzinger, 1826
   |  `-- Megaelosia Miranda-Ribeiro, 1923
   `--o Cycloramphinae Bonaparte, 1850
      |--o Cycloramphini Bonaparte, 1850
      |  |-- Crossodactylodes Cochran, 1938
      |  |-- Cycloramphus Tschudi, 1838
      |  `-- Zachaenus Cope, 1866
      `--o Alsodini Mivart, 1869
         |-- Alsodes Bell, 1843
         |-- Eupsophus Fitzinger, 1843
         |-- Hylorina Bell, 1843
         |-- Limnomedusa Fitzinger, 1843
         |-- Macrogenioglottus Carvalho, 1946
         |-- Odontophrynus Reinhardt & Lütken, 1862 “1861”
         |-- Proceratophrys Miranda-Ribeiro, 1920
         `-- Rhinoderma Duméril & Bibron, 1841

After Kwet & Faivovich, 2001, and Grant et al., 2006, with species from Frost, 2000-2002 [“AMNH Amphibian species of the World”]

<==o Cycloramphidae Bonaparte, 1850 sensu Grant et al, 2006 [incl. Thoropidae Frost et al., 2006]
   |--+-- Cycloramphus Tschudi, 1838
   |  `--o Rhinoderma Duméril & Bibron, 1841
   |     |-- R. darwinii (darwininsammakko)
   |     `-- R. rufum
   `--+--o Thoropa Cope, 1865
      |  |-- T. lutzi
      |  |-- T. megatympanum
      |  |-- T. miliaris
      |  |-- T. petropolitana
      |  `-- T. saxatilis
      `--+--+-- Hylorina sylvatica Bell, 1843
         |  `--+--o Alsodes Bell, 1843
         |     |  |-- A. australis
         |     |  |-- A. barrioi
         |     |  |-- A. gargola
         |     |  |-- A. kaweshkari
         |     |  |-- A. laevis
         |     |  |-- A. montanus
         |     |  |-- A. monticola
         |     |  |-- A. nodosus
         |     |  |-- A. pehuenche
         |     |  |-- A. tumultuosus
         |     |  |-- A. vanzolinii
         |     |  |-- A. verrucosus
         |     |  `-- A. vittatus
         |     `--o Eupsophus Fitzinger, 1843
         |        |-- E. calcaratus
         |        |-- E. contulmoensis
         |        |-- E. emiliopugini
         |        |-- E. insularis
         |        |-- E. migueli
         |        |-- E. nahuelbutensis
         |        |-- E. roseus
         |        `-- E. vertebralis
         `--+-- Limnomedusa macroglossa Fitzinger, 1843
            `--+--o Odontophrynus Reinhardt & Lütken, 1862 “1861”
               |  |-- O. achalensis
               |  |-- O. americanus
               |  |-- O. barrioi
               |  |-- O. carvalhoi
               |  |-- O. cultripes
               |  |-- O. lavillai
               |  |-- O. moratoi
               |  |-- O. occidentalis
               |  `-- O. salvatori
               `--o Proceratophrys Miranda-Ribeiro, 1920
                  |-- P. appendiculata
                  |-- P. boiei
                  |-- P. concavitympanum
                  |-- P. cristiceps
                  |-- P. cururu
                  |-- P. fryi
                  |-- P. goyana
                  |-- P. laticeps
                  |-- P. melanopogon
                  |-- P. moehringi
                  |-- P. phyllostomus
                  |-- P. schirchi
                  |-- P. subguttata
                  `--o P. bigibbosa Group
                     |-- P. bigibbosa (Peters, 1872) [incl. P. cristinae Braun, 1973]
                     |-- P. brauni Kwet & Faivovich, 2001
                     |-- P. avelinoi Mercadal de Barrio & Barrio, 1993
                     `-- P. palustris Giaretta & Sazima, 1993

Taxa not treated by Grant et al. (2006):

    Crossodactylodes Cochran, 1938
        C. bokermanni
        C. izecksohni
        C. pintoi
    Macrogenioglottus alipioi Carvalho, 1946
    Zachaenus Cope, 1866
        Z. carvalhoi
        Z. parvulus
        Z. roseus

Reference(s):