Cycloramphidae
35 species.
- Alto Button FrogCycloramphus eleutherodactylus
- Bandeira Button FrogCycloramphus bandeirensis
- Big-eared River FrogThoropa megatympanum
- Blumenau Button FrogCycloramphus bolitoglossus
- Boraceia Button FrogCycloramphus boraceiensis
- Brazilian Button FrogCycloramphus brasiliensis
- Brazilian River FrogThoropa saxatilis
- Campo Grande Button FrogCycloramphus semipalmatus
- Carvalho's Bug-eyed FrogCycloramphus carvalhoi
- Cedros Button FrogCycloramphus cedrensis
- Fausto's Button FrogCycloramphus faustoi
- Granular Button FrogCycloramphus granulosus
- Gruta Button FrogCycloramphus valae
- Heyer's Button FrogCycloramphus rhyakonastes
- Izecksohn's Button FrogCycloramphus izecksohni
- Lutz's River FrogThoropa lutzi
- Lutzs' Button FrogCycloramphus lutzorum
- Miguel's Button FrogCycloramphus migueli
- Miranda's Button FroCycloramphus mirandaribeiroi
- Petropolis River FrogThoropa petropolitana
- Ribeirao Button FrogCycloramphus acangatan
- Rio Verde Button FrogCycloramphus juimirim
- Rock River FrogThoropa miliaris
- Santa Catarina Button FrogCycloramphus catarinensis
- Sao Bento Button FrogCycloramphus diringshofeni
- Sao Paulo Button FrogCycloramphus dubius
- Stejneger's Button FrogCycloramphus stejnegeri
- Tschudi's Button FrogCycloramphus fuliginosus
- Wandolleck's Button FrogCycloramphus ohausi
- Werner's Button FrogCycloramphus asper
- Ypiranga Button FrogCycloramphus duseni
- Cycloramphus lithomimeticus
- Cycloramphus organensis
- Cycloramphus parvulus
- Thoropa taophora