Query: Brazilian amphibians but not toads
Domain: animals
Relevant documents:
Arcovomer
Rhinatrema nigrum
Bahius
Rupirana
Phyzelaphryne
Macrogenioglottus
Lithodytes
Itapotihyla
Dasypops
Caecilia tentaculata
Dermatonotus
Rhinatrema bivittatum
Caecilia mertensi
Potamotyphlus kaupii
Rhinatrema
Scythrophrys