Melanophryniscus is a genus of toads in the family Bufonidae. They are found in northern half of Argentina, southern Bolivia, southern Brazil, Paraguay, and Uruguay. Common name South American redbelly toads has been coined for them.
Rhinella icterica is a species of toad in the family Bufonidae that is found in northeastern Argentina, southern Brazil, and eastern Paraguay. "Cururu" is its indigenous name and refers to the male advertisement call that is a melodious tremolo. "Cururu toad", without the specifier "yellow", is a common name used for a few other closely related species.
Melanophryniscus cambaraensis is a species of toad in the family Bufonidae. It is endemic to Brazil. Its natural habitats are subtropical or tropical moist lowland forests, moist savanna, subtropical or tropical seasonally wet or flooded lowland grassland, rivers, intermittent freshwater marshes, and canals and ditches. It is threatened by habitat loss.
Melanophryniscus klappenbachi is a species of toad in the family Bufonidae. It is found in the Gran Chaco in northern Argentina, Paraguay, and Brazil, and possibly in Bolivia. Its specific name refers to Miguel Angel Klappenbach, a Uruguayan zoologist.
Melanophryniscus krauczuki is a species of toads in the family Bufonidae. It is found in the Misiones Province in northeastern Argentina and the Itapúa Department in the adjacent Paraguay. The specific name krauczuki honors naturalist and ornithologist Ernesto Krauczuk. Common name Krauczuk's redbelly toad has been proposed for this species.
Melanophryniscus macrogranulosus is a species of toad in the family Bufonidae. It is endemic to northeastern Rio Grande do Sul, southern Brazil. It was for a long time only known from the type series collected in 1960, until another population was discovered in 2004. This was followed by the rediscovery of population at the type locality as well as few other populations, all in Rio Grande do Sul. Its common name is Torres redbelly toad, after the type locality.
Melanophryniscus montevidensis, also called Darwin's toad, is a species of toad in the family Bufonidae and the genus Melanophryniscus found in Brazil and Uruguay. Like other amphibians in its genus, its bright colors, defensive behavior, and rapid metamorphosis make it stand out. It also has a myriad of chemical compounds on its skin that could be used in biomedical applications.
Melanophryniscus pachyrhynus is a species of toad in the family Bufonidae. It is known from São Lourenço do Sul in southern Brazil and from Uruguay. Populations in Uruguay were until recently considered a different species and assessed as being vulnerable.
Melanophryniscus sanmartini is a species of toad in the family Bufonidae. It is found in Uruguay and southernmost Brazil. Its natural habitats are grasslands and rocky outcrops. Reproduction takes place in small streams. It is threatened by habitat loss caused by exotic tree plantations.
Melanophryniscus spectabilis is a species of toads in the family Bufonidae. It is known from western Santa Catarina and southern Paraná states, southern Brazil. The specific name spectabilis refers to the showy color pattern of this species.
Pseudis cardosoi is a species of aquatic frog in the family Hylidae. It is endemic to southern Brazil and is known from the states of Rio Grande do Sul, Santa Catarina, and Paraná. The specific name cardosoi honors Adão José Cardoso, a Brazilian herpetologist.
Pseudis minuta is a species of aquatic frog in the family Hylidae. It is found in northeastern Argentina, Uruguay, and southern Brazil, and is likely to be found in southern Paraguay.
Scinax squalirostris is a species of frog in the family Hylidae. It is found in southeastern, southern and central Brazil, Uruguay, northeastern Argentina, southern Paraguay, and Bolivia. The nominal species might actually represent more than one species. Common names striped snouted treefrog and long-snouted treefrog have been coined for it.
Proceratophrys bigibbosa is a species of frog in the family Odontophrynidae. It is found in the Misiones Province in the northeastern Argentina and in Rio Grande do Sul and Santa Catarina in southern Brazil; its range might extend into the adjacent Paraguay. Common names Peters' smooth horned frog and Cristina's smooth horned frog have been coined for it.
Proceratophrys brauni is a species of frog in the family Odontophrynidae. It is endemic to South Brazil and has been recorded in the Paraná, Santa Catarina, and Rio Grande do Sul states. The specific name brauni honors Pedro Canisio Braun, a Brazilian herpetologist. Common name horn toad has been coined for this species.
Melanophryniscus stelzneri, commonly known as the redbelly toad, bumble bee toad or yellow and black walking toad, is a species of toad in the family Bufonidae which is endemic to Argentina. It is present in the pet trade.
Melanophryniscus xanthostomus is a species of toads in the family Bufonidae. It is endemic to the state of Santa Catarina in southern Brazil. The specific name xanthostomus is derived from the Greek words xanthos (=yellow) and stoma (=mouth) and refers to the characteristic yellow stripe along its mouth. It is distinguished from congeneric species based on differences in size; having white and/or yellow spots on its forearms, mouth, belly and cloaca; the pattern and arrangement of warts; and the presence and number of corneous spines.
Melanophryniscus milanoi is a species of toads in the family Bufonidae, first found in the Atlantic Forest in Santa Catarina, Brazil. It is found at intermediate-high altitudes and has a phytotelm-breeding reproductive strategy. It is distinguished from its cogenerate species based on differences in snout-vent length; having white and/or yellow spots on its forearms, mouth, belly and cloaca; the pattern and arrangement of warts; and the presence and number of corneous spines. It might be threatened by habitat loss.
Melanophryniscus biancae is a species of toads in the family Bufonidae, first found in the Atlantic Forest in Santa Catarina, Brazil. It is found at intermediate-high altitudes and has a phytotelm-breeding reproductive strategy. It is distinguished from its cogenerate species based on differences in snout-vent length; having white and/or yellow spots on its forearms, mouth, belly and cloaca; the pattern and arrangement of warts; and the presence and number of corneous spines. It might be threatened by habitat loss. It was named in honor of Bianca Reinert due to her conservation efforts.
Trachycephalus dibernardoi is a frog in the family Hylidae. It is endemic to Brazil and Argentina. Scientists think it might also live in Paraguay.
