Results 1 to 10 of about 247 (114)

The complete mitochondrion genome of the Hoge’s Side-necked turtle Ranacephala hogei (Chelidae), a critically endangered species from South America [PDF]

open access: yesGenetics and Molecular Biology
The Hogei’s side-necked turtle, Ranacephala hogei, an endemic species of the Southern Paraíba basin, is the most endangered species of chelonians in Brazil. Here, we sequenced, assembled and described the complete mitogenome for R. hogei.
Ana Teresa Dumans   +7 more
doaj   +2 more sources

The Amazonian Red Side-Necked Turtle Rhinemys rufipes (Spix, 1824) (Testudines, Chelidae) Has a GSD Sex-Determining Mechanism with an Ancient XY Sex Microchromosome System [PDF]

open access: yesCells, 2020
The Amazonian red side-necked turtle Rhynemis rufipes is an endemic Amazonian Chelidae species that occurs in small streams throughout Colombia and Brazil river basins.
Patrik F. Viana   +7 more
doaj   +2 more sources

Valanginian occurrence of Pelomedusoides turtles in northern South America: revision of this hypothesis based on a new fossil remain [PDF]

open access: yesPeerJ, 2020
Pelomedusoides constitutes the most diverse group of Mesozoic and Cenozoic side-necked turtles. However, when it originated is still being poorly known and controversial.
Edwin-Alberto Cadena
doaj   +3 more sources

Morphological Investigation of Uncharacterised Cardiovascular Structures in Shallow-Diving, Semi-Aquatic Freshwater Turtles (Chelidae: Emydura macquarii) [PDF]

open access: yesVeterinary Sciences
Reptiles with diving capabilities have evolved physiological adaptations as well as conformational changes to temporarily sustain life underwater. Despite the importance of both respiratory and cardiovascular systems during diving, most studies have ...
Rhiannon Jade Gurkin   +8 more
doaj   +2 more sources

Herpetofauna, Ponte de Pedra Hydroelectric Power Plant, states of Mato Grosso and Mato Grosso do Sul, Brazil [PDF]

open access: yesCheck List, 2009
This paper presents a check list of amphibians and reptiles of the area under influence of Ponte de Pedra hydroelectricpower plant on Correntes River (municipality of Sonora), between the Brazilian states of Mato Grosso do Sul and MatoGrosso.
Silva Jr., N. J.   +6 more
doaj   +4 more sources

New records and distribution extensions of three species of Mesoclemmys Gray, 1863 (Testudines: Chelidae) in Mato Grosso state, Brazil, with observations on terrestrial movements [PDF]

open access: yesCheck List, 2012
Distribution patterns of most of the 20 Neotropical freshwater turtles belonging to the family Chelidae are usually based on few locality records. We here report on vouchered records of three species of the chelid genus Mesoclemmys in the Brazilian state
Elizângela Brito   +5 more
doaj   +3 more sources

CONTRIBUTION TO THE DIVERSITY OF THE FOSSIL RECORD OF TURTLES (TESTUDINATA) FROM CHUBUT PROVINCE (ARGENTINA) AND ITS SIGNIFICANCE IN UNDERSTANDING THE EVOLUTION OF TURTLES IN SOUTHERN SOUTH AMERICA

open access: yesPublicación Electrónica de la Asociación Paleontológica Argentina, 2021
In this work we focus on the fossil record of turtles and tortoises from the Chubut Province, in Patagonia, Argentina. This record is the richest, most diverse, the longest and continuous in the country and one of the most important in the continent.
Juliana Sterli   +4 more
doaj   +1 more source

A new species of long-necked turtle (Pleurodira: Chelidae: Chelodina) from the late Miocene Alcoota Local Fauna, Northern Territory, Australia [PDF]

open access: yesPeerJ, 2013
The new species Chelodina (Chelodina) murrayi is described from the late Miocene Alcoota Local Fauna of central Australia, in the Northern Territory. The new species is based on shell fragments and can be diagnosed by a ventrally reflexed anterior margin
Adam M. Yates
doaj   +2 more sources

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