True toads of the genus Rhinella are among the most common and diverse group of
Neotropical anurans. These toads are widely distributed throughout South America …

Anurans, along with urodeles and caecilians are the extant representatives of the clade
Lissamphibia. Nowadays, lissamphibians are widely distributed in all continents, except …

Frogs (Anura) are nowadays common and abundant constituents of terrestrial and
freshwater ecosystems near globally and their fossil record shows that they were already …

Paradoxical frogs (Pseudae) are mostly aquatic anurans thriving in tropical and subtropical
South America that have long attracted attention because of their gigantic tadpoles, but also …

Abstract The “Horizonte Brocherense” sensu Castellanos was created on the basis of a
mammal assemblage recovered from the San Alberto Valley and Los Reartes Valley …

South American horned frogs (Ceratophryidae), with their large heads, wide gapes and fang-
like teeth, are among the most charismatic, best-known and well-studied neobatrachian …

Background. Anchors are one of the important attachment appendages for monogenean
parasites. Common descent and evolutionary processes have left their mark on anchor …

Environmental and climatic conditions of the South American temperate grasslands
(Pampas) during the Last Glacial Period have typically been regarded as mostly arid and …

This work describes the first record of a fossil anuran from the Neogene of Chile, found in
miocene outcrops of the Río Pedregoso Member of the Cura-Mallín Formation, near the …

MATERIALS AND METHODS The fossil on which the new species is based is housed at the
MMP and consists of a three-dimensionally well-preserved partial skull of an adult toad …