Results 1 to 10 of about 249 (119)

Genetic structure and climate niche differentiation among populations of Leopardus geoffroyi. [PDF]

open access: yesEcol Evol
Geoffroy's cat (Leopardus geoffroyi) is a small‐sized felid present in a wide variety of habitats in South America, including areas with high levels of anthropization. We identified two genetic clusters, one in the north‐northeast of the species' distribution and the other in the south‐southwest, the latter showing lower genetic variability and a more ...
Fameli AF   +3 more
europepmc   +2 more sources

Genomics Reveal Population Structure and Intergeneric Hybridization in an Endangered South American Bird: Implications for Management and Conservation. [PDF]

open access: yesEcol Evol
This study uses genomics to aid conservation of the endangered Yellow cardinal (Gubernatrix cristata), impacted by illegal trade, habitat loss, and potentially hybridization with the Diuca finch (Diuca diuca). It identifies management units, tracks confiscated individuals using a small SNP panel, and confirms occasional hybridization.
Domínguez M   +12 more
europepmc   +2 more sources

Ontogeny of a Brazilian Late Triassic Traversodontid (Cynodontia, Cynognathia): Anatomical and Paleoecological Implications. [PDF]

open access: yesJ Morphol
In this study, we evaluated an ontogenetic series of the Brazilian traversodontid Siriusgnathus niemeyerorum (Candelária Sequence, Upper Triassic), describing the morphological and allometric changes in its skull during the development. Our findings reveal several trends, including a relative increase in rostrum length, a decrease in orbit size, and ...
Roese-Miron L, Kerber L.
europepmc   +2 more sources

Biomechanical modeling of musculoskeletal function related to the terrestrial locomotion of Riojasuchus tenuisceps (Archosauria: Ornithosuchidae). [PDF]

open access: yesAnat Rec (Hoboken)
Abstract Riojasuchus tenuisceps was a pseudosuchian archosaur from the Late Triassic period in Argentina. Like other ornithosuchids, it had unusual morphology such as a unique “crocodile‐reversed” ankle joint, a lesser trochanter as in dinosaurs and a few other archosaurs, robust vertebrae, and somewhat shortened, gracile forelimbs.
von Baczko MB   +4 more
europepmc   +2 more sources

Hindlimb biomechanics of Lagosuchus talampayensis (Archosauria, Dinosauriformes), with comments on skeletal morphology. [PDF]

open access: yesJ Anat
The study constructs a 3D whole‐body biomechanical model of the Late Triassic archosaurian reptile Lagosuchus talampayensis, which includes reconstructions of the hindlimb musculature. The process of constructing the model revealed that numerous limb bones curated with the main specimens are from other, as‐yet‐undetermined archosaurs.
Otero A, Bishop PJ, Hutchinson JR.
europepmc   +2 more sources

La Colección de huevos "Ronald Runnacles" del Museo de La Plata: historia y material depositado

open access: yesRevista del Museo de La Plata, 2017
Se presenta información sobre la colección de huevos "Ronald Runnacles" que forma parte de la Colección Ornitológica del Museo de La Plata (División Zoología Vertebrados, Facultad de Ciencias Naturales y Museo, Universidad Nacional de La Plata).
Luciano N. Segura   +3 more
doaj   +1 more source

La colección oológica de Aves no Passeriformes del Museo de La Plata

open access: yesRevista del Museo de La Plata, 2016
El Museo de La Plata posee una extensa variedad de colecciones, preservando alrededor de 3000000 de ejemplares, los cuales revisten importancia cultural y científica. Entre ellas, la colección de aves cuenta con una gran diversidad de pieles de estudio (
Olga Magalí Olmedo Masat   +3 more
doaj   +1 more source

La colección arqueológica ?Pedro Dade? del Museo de La Plata

open access: yesRevista del Museo de La Plata, 2018
En este trabajo se da a conocer el análisis de una colección de materiales arqueológicos provenientes de la costa norte de la provincia de Santa Cruz (Patagonia argentina) que se encuentra alojada en la División Arqueología del Museo de La Plata ...
Leandro Zilio   +2 more
doaj   +1 more source

Los frisos antropomorfos en la cerámica funeraria de La Aguada de la Colección Muñiz Barreto

open access: yesEstudios Atacameños, 2002
Se analizan los frisos antropomorfos presentes en vasijas funerarias del cementerio de La Aguada Orilla Norte (Catamarca, Argentina). La muestra forma parte de la Colección Muñiz Barreto depositada en el Museo de La Plata.
Bárbara María Balesta   +1 more
doaj   +10 more sources

Sobre los objetivos y resultados de la expedición paleontológica de Handel T. Martin (1903-04) a la Formación Santa Cruz en Patagonia austral.

open access: yesRevista del Museo de La Plata, 2016
Entre enero y junio de 1904, Handel T. Martin (1862-1931), de la Universidad de Kansas (KU), colectó vertebrados fósiles de la Formación Santa Cruz (Mioceno temprano) a lo largo del Río Gallegos y la costa atlántica de Patagonia, como una iniciativa ...
Sergio Vizcaíno   +2 more
doaj   +1 more source

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