Brachycephalidae
51 species.
- Alto da Serra Big-headed FrogIschnocnema gehrti
- Boraceia Robber FrogIschnocnema randorum
- Brazilian Big-headed FrogIschnocnema verrucosa
- Córrego Grande Big-headed FrogIschnocnema manezinho
- Desengano Big-headed FrogIschnocnema nanahallux
- Espirito Santo Robber FrogIschnocnema oea
- Flea ToadBrachycephalus pulex
- Flea-frogBrachycephalus didactylus
- Flea-frogBrachycephalus hermogenesi
- Girard's Robber FrogIschnocnema parva
- Guaraqueçaba Big-headed FrogIschnocnema sambaqui
- Guenther's FrogIschnocnema guentheri
- Hensel's Big-headed FrogIschnocnema henselii
- Hoehn's Robber FrogIschnocnema hoehnei
- Holt's Robber FrogIschnocnema holti
- Iguape Robber FrogIschnocnema lactea
- Itatiaia Big-headed FrogIschnocnema concolor
- Itatiaia Big-headed FrogIschnocnema melanopygia
- Itatiaia Robber FrogIschnocnema nigriventris
- Izecksohn's Robber FrogIschnocnema izecksohni
- Morro Prumirim Flea ToadBrachycephalus guarani
- Morro do Corcovado Flea ToadBrachycephalus toby
- Morro dos Padres Flea ToadBrachycephalus pombali
- Octavio's Robber FrogIschnocnema octavioi
- Organ Mountains Robber FrogIschnocnema gualteri
- Ouro Preto Big-headed FrogIschnocnema surda
- Panga Robber FrogIschnocnema penaxavantinho
- Paraná Robber FrogIschnocnema paranaensis
- Pearly Pumpkin Flea ToadBrachycephalus margaritatus
- Pico Caratuva Flea ToadBrachycephalus brunneus
- Pico Caratuva Flea ToadBrachycephalus izecksohni
- Pointy-nosed Robber FrogIschnocnema nasuta
- Pumpkin ToadletBrachycephalus ephippium
- Pumpkin ToadletBrachycephalus pitanga
- Rio Mombucaba Robber FrogIschnocnema pusilla
- Rio Robber FrogIschnocnema bolbodactyla
- Saddleback toadBrachycephalus ferruginus
- Santa Teresa Big-headed FrogIschnocnema abdita
- Sao Paulo Robber FrogIschnocnema spanios
- Serra Cantareira Flea ToadBrachycephalus nodoterga
- Serra da Bocaina Flea ToadBrachycephalus vertebralis
- Serra de Macaé Flea ToadBrachycephalus bufonoides
- Serra de Mantiqueira Big-headed FrogIschnocnema vizottoi
- Serra do Morato Flea ToadBrachycephalus tridactylus
- Shield toadBrachycephalus pernix
- Soberbo Robber FrogIschnocnema erythromera
- Souzas Robber FrogIschnocnema juipoca
- Vargem Alta Flea ToadBrachycephalus alipioi
- Venancio's Robber FrogIschnocnema venancioi
- Villalba Robber FrogIschnocnema epipeda
- Brachycephalus garbeanus