Snakes are a remarkably diverse and successful group today, but their evolutionary origins are obscure. The discovery of snakes with two legs has shed light on the transition from lizards to snakes, but no snake has been described with four limbs, and the ecology of early snakes is poorly known. We describe a four-limbed snake from the Early Cretaceous (Aptian) Crato Formation of Brazil. The sn...

Received 15 August 2005. Accepted 21 November 2005. Distributed December 2005. Abstract Body size, reproductive biology and abundance of the rare pseudoboini snakes genera Clelia and Boiruna (Serpentes, Colubridae) in Brazil. Pseudoboini snakes of the genera Clelia and Boiruna are apparently rare in nature and certainly rare in collections. This work presents data on body size, reproduction and...

Over the last two decades my colleagues and I have assembled literature on a good percentage of most coccidians (Conoidasida) known, to date, parasitise: Amphibia, four major lineages Reptilia (Amphisbaenia, Chelonia, Crocodylia, Serpentes), seven orders in Mammalia (Carnivora, Chiroptera, Lagomorpha, Insectivora, Marsupialia, Primates, Scandentia). These vertebrates, combined, comprise about 1...

A Colônia alemã de Uvá representou, na primeira metade do século XX, uma proposta povoamento em região próxima à Cidade Goiás, antiga capital Estado, além da dinamização mercado local. realidade vivenciada por esses imigrantes, no entanto, foi bastante distinta – marcada pelo descaso governo terra que lhes era desconhecida e qual precisavam se adaptar. Sobre esse contexto desamparo, o Deutscher...