Would Phrynops geoffroanus' plastron formula and morphological diversity be preserved under anthropic conditions?

Phrynops geoffroanus has a wide distribution in South America, living in aquatic environments such as rivers, streams, and lakes, in natural and urban environments. In this work, the plastron formula and the diversity index associated with the allometric condition are established for the species. For the morphometric analyses, the following were calculated: standard error, class intervals, sample standard deviation, principal component analysis, and allometry.

Amphisbaena lumbricalis Vanzolini, 1996 is a synonym of Amphisbaena carvalhoi Gans, 1965 (Squamata, Amphisbaenidae).

We reassessed the type-series of Amphisbaena lumbricalis Vanzolini, 1996 and Amphisbaena carvalhoi Gans, 1965, two small amphisbaenid species from northeastern Brazil, to evaluate the characters used to diagnose and distinguish them, and compared these data with additional specimens from four new localities. We found broadly overlapping ranges of the diagnostic characters, and no morphological traits that could support differences between A. carvalhoi and A.

Type specimens of the species of Cycloramphus Tschudi, 1838 (Anura, Cycloramphidae) in the collections of the Museu Nacional, Rio de Janeiro, Brazil.

The Museu Nacional, in Rio de Janeiro, is the oldest scientific institution in Brazil, created by a decree of the Regent Prince and future King D. Joo VI on 06 June 1818. In particular, the herpetological collection dates from the early 1870s and were studied by the first Brazilian herpetologists, namely Alpio de Miranda Ribeiro (18741934) and Adolpho Lutz (18551940).

Anurans from the upper basins of the Rio Grande and Rio Preto: eastern portion of the Serra da Mantiqueira Environmental Protection Area, state of Minas Gerais, Brazil.

The Neotropical zone stands out for having the greatest richness of amphibians in the world. About 625 species of anurans are known on Atlantic Forest. The southeastern mountainous regions of Brazil called Serra do Mar and Serra da Mantiqueira, are very important areas for the diversity of anurans in the country because they shelter remaining strata of the Atlantic Forest that have several endemic species.

A new species of Ischnocnema (Anura: Brachycephalidae) from the mountainous region of Atlantic Forest, southeastern Brazil, with a new phylogeny and diagnose for Ischnocnema parva series.

We describe a new species of Rain Frog from Brazils Atlantic Forest, which harbors high richness, endemism and threatened species of anurans. Ischnocnema crassa sp. nov.