Odontophrynidae
43 species.
- American Ground FrogOdontophrynus americanus
- Bahia Forest FrogMacrogenioglottus alipioi
- Bioe's FrogProceratophrys boiei
- Botucatu EscuerzoProceratophrys moratoi
- Carvalho's EscuerzoOdontophrynus carvalhoi
- Ceará Smooth-horned FrogProceratophrys cristiceps
- Cedros Smooth Horned FrogProceratophrys subguttata
- Cei's EscuerzoOdontophrynus lavillai
- Cordoba EscuerzoOdontophrynus cordobae
- Cow FrogProceratophrys avelinoi
- Fazenda Smooth Horned FrogProceratophrys concavitympanum
- Goias Smooth Horned FrogProceratophrys goyana
- Günther's Horned FrogProceratophrys appendiculata
- Horn ToadProceratophrys brauni
- Linhares Smooth Horned FrogProceratophrys laticeps
- Moehring's Smooth Horned FrogProceratophrys moehringi
- Paraiso EscuerzoProceratophrys salvatori
- Paranapiacaba Smooth Horned FrogProceratophrys melanopogon
- Pavioti's Smooth Horned FrogProceratophrys paviotii
- Peters' Smooth Horned FrogProceratophrys bigibbosa
- Plateau Smooth Horned FrogProceratophrys palustris
- Renal Smooth-horned FrogProceratophrys renalis
- Rio Grande EscuerzoOdontophrynus cultripes
- Rocha EscuerzoOdontophrynus maisuma
- Santo Smooth Horned FrogProceratophrys schirchi
- Toad-like Ground FrogProceratophrys cururu
- Odontophrynus monachus
- Proceratophrys bagnoi
- Proceratophrys belzebul
- Proceratophrys branti
- Proceratophrys carranca
- Proceratophrys dibernardoi
- Proceratophrys huntingtoni
- Proceratophrys izecksohni
- Proceratophrys minuta
- Proceratophrys phyllostomus
- Proceratophrys redacta
- Proceratophrys rondonae
- Proceratophrys rotundipalpebra
- Proceratophrys sanctaritae
- Proceratophrys strussmannae
- Proceratophrys tupinamba
- Proceratophrys vielliardi