Results 51 to 60 of about 4,111 (235)
(1) Background: Hemoparasites of the genus Haemogregarina (Haemogregarinidae) are commonly reported in freshwater turtles. However, in Brazil, only three species have currently been characterised using molecular methods.
Letícia Pereira Úngari +3 more
doaj +1 more source
Phylogeny, biogeography and diversification patterns of side-necked turtles (Testudines: Pleurodira) [PDF]
Pleurodires or side-necked turtles are today restricted to freshwater environments of South America, Africa– Madagascar and Australia, but in the past they were distributed much more broadly, being found also on Eurasia, India and North America, and ...
Assine ML +17 more
core +2 more sources
: The parasitic fauna of Podocnemididae species is of great relevance to understanding the ecological relationships of the organisms in this genus. The parasites can have a symbiotic relationship with their hosts; however, environmental imbalances may ...
A. B. Ribeiro +6 more
semanticscholar +1 more source
PURPOSE: Identify a technique to induce brief sedation and hypnosis in Podocnemis expansa. METHODS: Twenty commercially bred P. expansa, weighing on average 1.2 ± 0.24 kg, were subjected to two protocols: G1 was given 1.5 mg/kg IM of xylazine and ...
André Luiz Quagliatto Santos +5 more
doaj +1 more source
Isotopic ordering in eggshells reflects body temperatures and suggests differing thermophysiology in two Cretaceous dinosaurs [PDF]
Our understanding of the evolutionary transitions leading to the modern endothermic state of birds and mammals is incomplete, partly because tools available to study the thermophysiology of extinct vertebrates are limited.
Cerling, Thure E. +13 more
core +3 more sources
Abstract A new genus and species of podocnemidid turtle, Shakiremys colombiana, is described here from the Middle Miocene La Venta Biome, located in south‐central Colombia. The new taxon is represented by two specimens: one consisting of a complete skull and articulated shell, and the other of an articulated shell only.
Edwin‐Alberto Cadena +4 more
wiley +1 more source
Reptiles show a high occurrence of hemoparasites in the wild; however, little is known about the impact of such infections on their hosts' physiology and health status.
Jorge Apache +4 more
semanticscholar +1 more source
The histological and organogenical development of the turtle Podocnemis unifilis are presented. This study covers 28 chronological steps which were defined in a period of 95 days.
Nory Astrid Guzman Ballesteros +1 more
doaj
Estrutura populacional, tamanho e razão sexual de Podocnemis unifilis (Testudines, Podocnemididae) no rio Guaporé (RO), norte do Brasil [PDF]
Population structure, size and sex ratio in Podocnemis unifilis (Testudines, Podocnemididae) in the Guaporé river (RO), northern Brazil.Population structure and sex ratio of Podocnemis unifilis was studied from June to November 1989 and from March to ...
Augusto Fachín-Terán, Richard C. Vogt
doaj
Eimeria lagunculata, Eimeria mammiformis and Eimeria podocnemis n. spp., are described from the faeces of the fresh-water turtle Podocnemis expansa, in Pará State, north Brasil. Oocysts of E.
Ralph Lainson +2 more
doaj +1 more source

