A molecular phylogeny of the Neotropical snail-eating snakes (tribe Dipsadini) is presented
including 43 (24 for the first time) of the 77 species, sampled for both nuclear and …

Uma boa parte desses animais é constituída por predadores, muitas vezes de topo de
cadeia trófica. Os jacarés, o matamatá (Chelus fimbriatus) e boa parte das serpentes são …

The Epicrates cenchria complex is endemic to the Neotropical region, occurring in mainland
portions of Central and South America. The taxonomic status of the nine currently …

Seven species of Dipsas occur within Bolivia. On the basis of new material, we revise D.
chaparensis, D. peruana, and D. variegata. We review D. i. cisticeps and consider it to be a …

Dipsadine snakes of the genus Atractus are endemic to the Neotropical region, occurring
from Panama to Argentina. Currently, the taxonomic status of most species of the genus is …

 Abstract A molecular phylogeny of the Neotropical snail-eating snakes (tribe Dipsadini
Bonaparte, 1838) is presented that includes 60 of the 133 species currently recognized …

Background Efficient venom delivery systems are known to occur only in varanoid lizards
and advanced colubroidean snakes among squamate reptiles. Although components of …

A new species of Leptotyphlops dulcis group is described from the central Brazilian Cerrado,
which is diagnosed by rostral shape, general colour pattern, and number of middorsal and …

Sexual dimorphism in snakes is generally described in association with body or tail size and
scale counts, with relatively few studies addressing intrasexual divergence in the skull. Here …

There are relatively few studies on snake fauna from coastal islands of the State of São
Paulo (SSP), Southeastern Brazil and the number of species housed in Brazilian institutional …