Results 61 to 70 of about 1,619 (185)

Beyond mammals: the evolution of chewing and other forms of oropharyngeal food processing in vertebrates

open access: yesBiological Reviews, Volume 101, Issue 3, Page 1406-1462, June 2026.
ABSTRACT Oropharyngeal food processing exhibits a remarkable diversity among vertebrates, reflecting the evolution of specialised ‘processing centres’ associated with the mandibular, hyoid, and branchial arches. Although studies have detailed various food‐processing strategies and mechanisms across vertebrates, a coherent and comprehensive terminology ...
Daniel Schwarz   +6 more
wiley   +1 more source

Análisis de una estrategia de conservación para Podocnemis unifilis en la Estación de Biodiversidad Tiputini [PDF]

open access: yes, 2010
Podocnemis unifilis has experienced a drastic decrease along its distribution in the Ecuadorian Amazon. With this motivation the Tiputini Biodiversity Station from Universidad San Francisco de Quito began a head-starting project for this species ...
Rivera Rojas, Laura Maricela
core  

Efeitos ambientais de reservatórios de hidrelétricas sobre mamíferos silvestres e tartarugas-de-água-doce na Amazônia : uma revisão [PDF]

open access: yes, 2011
A legislação brasileira condiciona as licenças prévia, de instalação e de operação de empreendimentos hidrelétricos impactantes, no roteiro dos estudos de impacto ambiental (EIA/RIMA), incluindo a identifcação e a avaliação dos impactos ambientais e os ...
Alho, Cleber José Rodrigues
core  

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

Presence of anti-Leptospira spp. antibodies in captive yellow-spotted river turtles (Podocnemis unifilis) in the Eastern Amazon [PDF]

open access: yesCiência Rural, 2020
: We describe anti-Leptospira spp. agglutinin in yellow-spotted river turtles (Podocnemis unifilis)in the Amazon region. Ninety-eight serum samples from individuals housed at the Bosque Rodrigues Alves Zoobotanical Garden of Amazonia, Belém, PA, Brazil ...
Juliana Maria Santos Miranda   +7 more
doaj   +1 more source

Serie normal del desarrollo organogénico embrionario de Podocnemis unifilistroschel, 1949 (testidinata, pelomedusinae)

open access: yesActa Biológica Colombiana, 1992
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  

Anthropogenic impacts on yellow-spotted river turtle Podocnemis unifilis (Reptilia: Podocnemididae) from the Brazilian Amazon

open access: yesActa Biológica Colombiana, 2016
We investigated the influence of anthropogenic impacts on Podocnemis unifilis nesting on a stretch from Falsino river, with two forest reserves, and one urban area on the Araguari river, state of Amapá, eastern Amazon (Brazil).
Débora Regina Santos Arraes   +2 more
doaj   +1 more source

Concomitant infection of Haemogregarina sp. and Staphylococcus aureus in free-living yellow-spotted river turtle (Podocnemis unifilis): case report. [PDF]

open access: yes, 2018
A male adult yellow-spotted river turtle Podocnemis unifilis (Chordata: Testudines: Podocnemididae) was captured during field collections. Blood sample was collected for haemoparasite screening by conventional light microscopy.
Borges, Lizandra Ferreira de Almeida   +5 more
core   +2 more sources

Componentes alimenticios de podocnemis unifilis y p. Expansa (testudines: podocnemididae) en el resguardo curare-los ingleses, amazonas, colombia

open access: yesRevista Colombiana de Ciencia Animal Recia, 2012
El estudio de los componentes alimenticios de los quelonios es importante para fundamentar planes de manejo y la preservación de sus hábitats. En este trabajo se reportan los ítems alimenticios de Podocnemis unifilis y P. expansa.
CAROLINA FIGUEROA F. ILBA   +2 more
doaj   +1 more source

Podocnemis sextuberculata [PDF]

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

Home - About - Disclaimer - Privacy