Results 21 to 29 of about 43 (29)

Neuroanatomical study of the podocnemidid turtle Neochelys arenarum (Pleurodira), from the early Eocene of France

The Anatomical Record, Volume 308, Issue 6, Page 1646-1658, June 2025.
Abstract Neochelys is an exclusively European Eocene podocnemidid genus belonging to a linage that reached this continent at the early Eocene. The so far available anatomical information about it is relatively abundant, especially considering that of its shell, at least partially preserved for the eight valid species currently considered.
Marcos Martín‐Jiménez, Adán Pérez‐García   +1 more
wiley   +1 more source

Functional and Character Disparity Are Decoupled in Turtle Mandibles

Ecology and Evolution, Volume 14, Issue 11, November 2024.
Here, we compare functional disparity measured by biomechanical proxies and character disparity measured by discrete morphological characters in turtle jaws. Exploration of mandibular patterns reveals that several biomechanical configurations or character state combinations can lead to the same feeding type (i.e., convergence) or that high functional ...
Jasper Ponstein, Guilherme Hermanson, Merlin W. Jansen, Johan Renaudie, Jörg Fröbisch, Serjoscha W. Evers   +5 more
wiley   +1 more source

The topological organization of the turtle cranium is constrained and conserved over long evolutionary timescales

The Anatomical Record, Volume 307, Issue 8, Page 2713-2748, August 2024.
Abstract The cranium of turtles (Testudines) is characterized by the secondary reduction of temporal fenestrae and loss of cranial joints (i.e., characteristics of anapsid, akinetic skulls). Evolution and ontogeny of the turtle cranium are associated with shape changes.
Eve Miller, Hiu Wai Lee, Arkhat Abzhanov, Serjoscha W. Evers   +3 more
wiley   +1 more source

AVALIAÇÃO DA CAPACIDADE DISPERSORA DE SEMENTES DA TARTARUGA CABEÇUDO Peltocephalus dumerilianus (SCHEWEIGGER, 1812) NO CENTRO DE ESTUDOS DE QUELÔNIOS DA AMAZÔNIA – CEQUA

Journal of Media Critiques
O Peltocephalus dumerilianus geralmente habita o fundo de corpos d'água, muitas vezes abrigando-se em cavidades ou sob troncos de árvores submersas. Por muitos anos foi considerado um predador ativo de fundo baseado na morfologia de sua cabeça. Sua dieta pode ter uma alta porcentagem de folhas, frutos e sementes, e algumas sementes não digeridas são ...
Jeberson da Silva Ferreira, Sabrina Menezes de Oliveira, Maria das Neves da Silva Viana, Marina Pandolphi Brolio   +3 more
openaire   +1 more source

ALIMENTACIÓN DE PELTOCEPHALUS DUMERILIANUS (TESTUDINES: PODOCNEMIDIDAE) EN CONDICIONES NATURALES

, 2011
El presente trabajo analiza aspectos de alimentación en medio natural de la tortuga, Peltocephalus dumerilianus (Testudines: Podocnemididae; cabezón), a partir de muestras de contenidos alimenticios tomados de estómago e intestino grueso de ejemplares utilizados para consumo por los habitantes ribereños de la comunidad de São Louis, en el medio río ...
De La Ossa-V., Jaime, C. Vogt, Richard, Santos-Júnior, Ladislau B.   +2 more
openaire   +1 more source

Parasitas gastrointestinais de Peltocephalus dumerilianus no Parque Nacional do Jaú, Barcelos, Amazonas: taxonomia-alfa e aspectos da relação parasita-hospedeiro

, 2016
Pós-graduação em Medicina Veterinária ...
openaire   +2 more sources

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Orientatractis bowseri n. sp. (Nematoda: Cosmocercoidea: Atractidae) parasite of Peltocephalus dumerilianus (Schweigger) (Testudines: Podocnemididae) from the Brazilian Amazon

Systematic Parasitology, 2023
Peltocephalus dumerilianus (Schweigger) is a diurnal freshwater turtle widely distributed in the Orinoco and Amazon River basins in Brazil, Colombia, Peru, Ecuador, Venezuela, and French Guiana. During a helminthological survey of freshwater turtles from the Brazilian Amazon, numerous nematodes with characteristics of the genus Orientatractis Petter ...
Ronald Ferreira Jesus, Ana Nunes Santos, Tamires de Almeida Pereira Oliveira, Daniely Félix-Silva, Francisco Tiago Vasconcelos Melo   +4 more
openaire   +2 more sources

Big-headed Amazon River Turtle (Peltocephalus dumerilianus)

2022
This is the species account about the Big-headed Amazon River Turtle (Peltocephalus dumerilianus), a chapter in the Reptiles of Ecuador book. This account summarizes novel as well as historical information (recognition, natural history, distribution, conservation, etymology, and relevant literature) about the species and provides maps and images to ...
Gabriela Sandoval, Alejandro Arteaga
openaire   +1 more source

Diet of the Pelomedusid Turtle Peltocephalus dumerilianus in the Venezuelan Amazon

Journal of Herpetology, 1997
-Stomach contents of 54 Peltocephalus dumerilianus from the Yagua and Atacavi rivers, Amazonas State, Venezuela, were obtained by stomach flushing. Fruits and seeds, fish, and aquatic plants were the most common food items in the diet; invertebrates and algae also were eaten.
Jorge L. Perez-Eman, Alfredo Paolillo O.
openaire   +1 more source