Human‐induced transformations of ecosystems usually result in fragmented populations
subject to increased extinction risk. Fragmentation is also often associated with novel …

We describe a new species of small chelid turtle from perennial streams in the Araguaia
River subbasin near Serra das Andorinhas State Park, São Geraldo do Araguaia, Pará …

In this study, the Kinosternon scorpioides, Mesoclemmys tuberculata and Phrynops
geoffroanus freshwater turtles collected in the Cariús River, State of Ceará, were analysed …

Understanding developmental processes is foundational to clarifying the mechanisms by
which convergent evolution occurs. Here, we show how a key convergently evolving trait is …

Mesoclemmys raniceps is a medium-sized aquatic turtle widely distributed throughout the
northern Amazon Basin in South America. Little information has been published about its …

The transition between aquatic and terrestrial habitats leads to extreme structural changes in
sensorial systems. Olfactory receptors (OR) are involved in the detection of odorant …

In the present study, Fe, Cu, Cr, Cd, Pb, Ni, and Al concentrations in Caiman latirostris and
Testudines blood from the Tapacurá reservoir, Pernambuco, Brazil, were investigated. Blood …

The parasitic fauna of reptiles is considered understudied compared to that of other
vertebrates and is even less well known than the parasitic fauna of chelonians. Yet parasites …

Ectoparasites such as hematophagous leeches and monogeneans are common in
chelonians, occupying different parts of the body. Thus, the present study aimed to identify …

Figure 1. Haementeria sp. in the Municipality of Cajazeiras, State of Paraíba, northeast
Brazil.(A) Ventral view.(B) Dorsal view.(C) Ventral view of head region with pair of eyespots …