Results 71 to 80 of about 1,293 (171)

Island‐restricted reptiles are more threatened but less studied than their mainland counterparts

open access: yesConservation Science and Practice, EarlyView.
Reptiles are highly diverse on islands, yet there is no comprehensive overview of island‐restricted reptiles (IRRs) regarding their distribution, threat status, and research efforts. Our assessment revealed that despite IRRs comprising nearly a quarter of global reptile species and 30.8% being threatened, only 7.2% of the literature focuses on them ...
Sara F. Nunes   +6 more
wiley   +1 more source

La tortuga pre-Podocnemidid más antigua (Chelonii, Pleurodira), Cretácico inferior, estado de Ceará, Brasil, y su entorno [PDF]

open access: yes, 2000
A new form of a chelonian Pleurodira is described, Brasilemys josai, n.g., n. sp. Its phyletic position is examined with respect to previously established phylogenies.
Lapparent de Broin, F. de
core  

Climate-mediated diversification of turtles in the Cretaceous [PDF]

open access: yes, 2015
The file attached is the published version of the ...
A Kalmar   +64 more
core   +1 more source

Hematologycal and blood biochemistry parameters of captive big-headed amazon river turtles, Peltocephalus dumerilianus (Testudines: Podocnemididae)

open access: yesActa Biológica Colombiana, 2021
The determination of hematological values is used to obtain knowledge about the health conditions of animal species. The big-headed Amazon River turtles, (Peltocephalus dumerilianus)are considered one of the least known testudine species concerning their
Neiana Pereira Anselmo   +6 more
doaj   +1 more source

Mosaic morphology in Podocnemididae revealed by a new turtle from the Middle Miocene La Venta Biome, Colombia

open access: yesPapers in Palaeontology, Volume 11, Issue 6, November/December 2025.
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

Nesting and neonates of the yellow-spotted river turtle (Podocnemis unifilis, Podocnemididae) in the Araguari River basin, eastern Amazon, Brazil. [PDF]

open access: yes, 2019
Predation and alteration of microhabitats may represent high risk for nesting of Amazonian turtles. This study aimed at investigating the nesting and body parameters of neonates of Podocnemis unifilis in the Araguari River basin, State of Amapá, Brazil ...
ARRAES, D. R. dos S., TAVARES-DIAS, M.
core  

Podocnemis sextuberculata [PDF]

open access: yes, 2017
Number of pages: 24Geological SciencesIntegrative ...
Iverson, John B.   +2 more
core   +1 more source

Estrutura populacional, tamanho e razão sexual de Podocnemis unifilis (Testudines, Podocnemididae) no rio Guaporé (RO), norte do Brasil [PDF]

open access: yesPhyllomedusa: Journal of Herpetology, 2004
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  

Podocnemis unifilis [PDF]

open access: yes, 2012
Number of Pages: 33Integrative BiologyEarth and Planetary ...
Iverson, John B.   +2 more
core   +2 more sources

THE OCCURRENCE OF EOCENOCHELUS (TESTUDINES, PLEURODIRA) FROM SARDINIA SUPPORTS PALAEOGEOGRAPHIC RECONSTRUCTION OF THE PROXIMITY OF THE ISLAND TO CONTINENTAL WESTERN EUROPE DURING THE EOCENE [PDF]

open access: yes, 2020
In this paper, we describe pleurodire turtle material from the island of Sardinia, Italy, originating from two Eocene localities of the Cixerri Formation.
DELFINO, MASSIMO   +4 more
core   +2 more sources

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