Results 1 to 10 of about 43 (29)

Ciclo ovárico y jerarquía folicular de Peltocephalus dumerilianus (Testudines: Podocnemididae) Ovarian cycle and follicular hierarchy of Peltocephalus dumerilianus (Testudines: Podocnemididae) [PDF]

Acta Amazonica, 2011
Se analizaron cuarenta pares de ovarios de hembras adultas de Peltocephalus dumerilianus (Schweigger 1812), para establecer los cambios morfológicos mensuales producidos durante un año.
Jaime De La Ossa Velasquez, Richard Carl Vogt   +1 more
doaj   +5 more sources

INFLUENCIA DE LA TEMPERATURA EN EL COMPORTAMIENTO ALIMENTARIO DE Peltocephalus dumerilianus (TESTUDINES PODOCNEMIDAE) [PDF]

Revista Mvz Cordoba, 2009
Objetivo. Analizar los comportamientos de alimentación bajo diferentes condiciones de temperatura en un grupo de neonatos de Peltocephalus dumerilianus (Testudines Podocnemididae). Materiales y Métodos.
Alejandro De La Ossa L, Larissa Schneider, Richard C. Vogt, Jaime De La Ossa V   +3 more
doaj   +10 more sources

Biology of the Big-headed Amazon River Turtle, Peltocephalus dumerilianus (Schweigger, 1812) (Testudines, Pleurodira): the basal extant Podocnemididae species [PDF]

Herpetozoa, 2021
We review the extent and nature of scientific knowledge of the Big-headed Amazon River Turtle, Peltocephalus dumerilianus, covering distribution, morphology, taxonomy, diet, behaviour, reproduction, and ecology.
Eduardo Gentil, Larissa Azevedo de Medeiros, Richard Carl Vogt, Adrian Ashton Barnett   +3 more
doaj   +4 more sources

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

Acta 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, Mônica Ferreira de Lima França, Marcio Quara de Carvalho Santos, Jackson Pantoja-Lima, Cleide Karoline Pereira da Silva, Paulo Henrique Rocha Aride, Adriano Teixeira de Oliveira   +6 more
doaj   +4 more sources

HALLAZGO DE OOFAGIA CANIBALÍSTICA EN PELTOCEPHALUS DUMERILIANUS: (TESTUDINES: PODOCNEMIDIDAE) DISCOVERY OF CANNIBALISTIC OOPHAGY IN PELTOCEPHALUS DUMERILIANUS: (TESTUDINES: PODOCNEMIDIDAE)

Actualidades Biológicas, 2009
Se presenta por primera vez el hallazgo de oofagia canibalística en Peltocephalus dumerilianus (Schweigger, 1812) (Testudines: Podocnemididae), detectada durante un estudio de dieta en medio natural para esta especie, en el cual se examinaron muestras de
Jaime De La Ossa V., Richard C. Vogt, Alejandro De La Ossa Lacayo   +2 more
doaj   +2 more sources

The lowest diploid number in Testudines: Banding patterns, telomeric and 45S rDNA FISH in Peltocephalus dumerilianus, 2n = 26 and FN = 52 (Pleurodira, Podocnemididae) [PDF]

Genetics and Molecular Biology, 2014
The karyotype of the big-headed Amazon River turtle, Peltocephalus dumerilianus, is characterized based on a sample of seven juveniles from Reserva Biológica do Rio Trombetas, Pará State, Brazil (1°30' S, 56°34' W).
Karen Ventura, Camila N Moreira, Renata Moretti, Yatiyo Yonenag-Yassuda, Miguel T Rodrigues   +4 more
doaj   +4 more sources

Gastrointestinal parasites of Peltocephalus dumerilianus (Testudines: Podocnemididae) from Jaú National Park, Brazilian Amazon [PDF]

Revista Brasileira de Parasitologia Veterinária
The big-headed Amazon River turtle, Peltocephalus dumerilianus, is endemic to the Orinoco and Amazon River basins. It is a food source for local communities, often unsustainably. Knowledge about P.
Luciana Raffi Menegaldo, Carmen Andrea Arias-Pacheco, Patricia Parreira Perin, José Hairton Tebaldi, Estevam Guilherme Lux Hoppe   +4 more
doaj   +3 more sources

Eimeria peltocephali n. sp., (Apicomplexa:Eimeriidae) from the Freshwater Turtle Peltocephalus dumerilianus (Chelonia:Pelomusidae) and Eimeria molossi n. sp., from the Bat, Molossus ater (Mammalia:Chiroptera) [PDF]

Memorias do Instituto Oswaldo Cruz, 1998
The oocyst is described of Eimeria peltocephali n.sp. from faeces of the freshwater turtle Peltocephalus dumerilianus from Barcelos, State of Amazonas, Brazil. Sporulation is exogenous and fully developed oocysts are elongate, ellipsoidal or cylindrical,
R Lainson, RD Naiff
doaj   +5 more sources

ALIMENTACIÓN DE PELTOCEPHALUS DUMERILIANUS (TESTUDINES: PODOCNEMIDIDAE) EN CONDICIONES NATURALES FEEDING OF PELTOCEPHALUS DUMERILIANUS (TESTUDINES: PODOCNEMIDIDAE) IN A NATURAL ENVIRONMENT

Actualidades Biológicas, 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 ...
Jaime De La Ossa-V., Richard C. Vogt, Ladislau B. Santos-Júnior   +2 more
doaj   +1 more source

A systematic compendium of turtle mandibular anatomy using digital dissections of soft tissue and osteology

The Anatomical Record, Volume 306, Issue 6, Page 1228-1303, June 2023., 2023
Abstract Turtles are a charismatic reptile group with a peculiar body plan, which most notably includes the shell. Anatomists have often focused descriptive efforts on the shell and other strongly derived body parts, such as the akinetic skull, or the cervical vertebrae.
Serjoscha W. Evers, Jasper Ponstein, Maren A. Jansen, Jaimi A. Gray, Jörg Fröbisch   +4 more
wiley   +1 more source