Results 91 to 100 of about 65,301 (220)

The Gelasian (Late Villanyan-MN17) diversified micromammal assemblage with Mimomys pliocaenicus from Coste San Giacomo (Anagni basin, central Italy), taxonomy and comparison with selected european sites [PDF]

open access: yes, 2015
The Gelasian site of Coste San Giacomo (CSG) (central Italy) provides a unique opportunity to investigate the faunal and environmental changes occurred in Mediterranean Europe during the Early Pleistocene. The finding of both large and small mammal fauna
Bellucci, Luca   +2 more
core   +1 more source

Synchrotron radiation reveals the identity of the large felid from Monte Argentario (Early Pleistocene, Italy) [PDF]

open access: yes, 2018
We describe here a partial skull with associated mandible of a large felid from Monte Argentario, Italy (Early Pleistocene; ~1.5 million years). Propagation x-ray phase-contrast synchrotron microtomography of the specimen, still partially embedded in the
Fernandez, Vincent   +7 more
core   +4 more sources

First record of Eptesicus brasiliensis argentinus Thomas, 1920 (Chiroptera, Vespertilionidae) in Entre Ríos province, Argentina [PDF]

open access: yes, 2018
Here, we present the first record of Eptesicus brasiliensis argentinus Thomas, 1920 for the province of Entre Ríos, Argentina. This subspecies was originally described as a full species (Eptesicus argentinus) based on its morphological features that ...
Barquez, Ruben Marcos   +3 more
core   +1 more source

Faune de vertébrés de Betfia-XII (Bihor, Roumanie) et son âge chronologique. Étude des Arvicolidés (Rodentia)

open access: yesTravaux de l'Institut de Speologie Emile Racovitza, 2007
On présente la faune de Mammifères découverte dans le remplissage d’une fissure karstique, Betfia-XII, fissure ouverte par l’exploitation des calcaires barrémiens-aptiens au voisinage du village de Betfia (dép. de Bihor). Cette faune renferme 17 espèces,
ELENA TERZEA
doaj  

Spatiotemporal variability in the South American mammalian fossil record and its impact on macroevolutionary inference

open access: yesFrontiers in Mammal Science
Macroevolutionary studies using the fossil record have provided valuable information about the evolutionary history of mammals, helping us to understand some of the processes underlying shifts in diversification dynamics.
Pedro D. de S. Ugarte   +2 more
doaj   +1 more source

Linajes fantasma y correlación con variables ecológicas: el caso de la Subfamilia Caprinae

open access: yesEstudios Geologicos, 2006
La integración de la sistemática filogenética con datos paleontológicos ha demostrado ser una eficaz metodología a la hora de estimar paleodiversidades mediante la identificación de periodos en la historia evolutiva de los clados sin representantes ...
J. L. Cantalapiedra   +2 more
doaj   +1 more source

New Data on Armadillos (Xenarthra: Dasypodidae) for Central Patagonia, Argentina [PDF]

open access: yes, 2010
Armadillos represent the most diverse family of xenarthrans. Although many studies have been done on these mammals, several topics, such as their local distribution, natural history, behavioral ecology and conservation, remain poorly known ...
Abba, Agustin Manuel   +2 more
core   +2 more sources

Changes in Mammalian Body Length over 175 Years - Adaptations to a Fragmented Landscape?

open access: yesEcology and Society, 2003
The potential consequences of anthropogenic habitat fragmentation on species diversity and extinction have drawn considerable attention in recent decades.
Niels Martin Schmidt   +1 more
doaj   +1 more source

The iNaturalist Species Classification and Detection Dataset [PDF]

open access: yes, 2018
Existing image classification datasets used in computer vision tend to have a uniform distribution of images across object categories. In contrast, the natural world is heavily imbalanced, as some species are more abundant and easier to photograph than ...
Adam, Hartwig   +8 more
core   +2 more sources

Mapping the Space of Genomic Signatures

open access: yes, 2014
We propose a computational method to measure and visualize interrelationships among any number of DNA sequences allowing, for example, the examination of hundreds or thousands of complete mitochondrial genomes.
Bryans, Nathaniel   +6 more
core   +2 more sources

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