The study of early development in Neotropical Leiuperinae frogs (Anura, Leptodactylidae) has been addressed by several works in recent times. However, a comparative develop- mental approach under a phylogenetic context was ...

We describe a new species of Physalaemus from central Brazil. It is characterized by the following combination of traits: medium-sized; snout subelliptical in dorsal view, varying between rounded and protruding in lateral ...

Anuran testes have generally similar germinative and somatic anatomical components, but their morphology varies among species groups. However, little is known about how environmental and evolutionary factors influence ...

The original description of the Neotropical frog Pleurodema bibroni was based on material collected at “Monte-Video” [Montevideo, Uruguay], but no type specimen was originally designated. In several publications, a specimen ...

Four species of Pseudopaludicola, Pseudopaludicolaboliviana, P. falcipes, P. mystacalis and P. ternetzi, areusually cited for Paraguay. However, after analyzing 407specimens assigned to this genus in herpetological ...

Rana lutea is one of the two anuran species described in 1782 by the Chilean born priest and naturalist Juan Ignacio Molina, and its nomenclatural history is confusing. After a detailed revision of the pertinent literature, ...

The frog genus Physalaemus has almost 50 species with vocalizations that are mostly composed of a single note. This note tends to have a broad harmonic structure or a pulsed structure. The sister species P. lateristriga ...

A new species of Pseudopaludicola is described from the Cerrado of southeastern Brazil. The new taxon is diagnosed from the P. pusilla species group by the absence of either T-shaped terminal phalanges or toe tips expanded, ...