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Mostrando ítems 91-100 de 115
New radiometric 40Ar–39Ar dates and faunistic analyses refine evolutionary dynamics of Neogene vertebrate assemblages in southern South America
(Nature, 2021-12)
The vertebrate fossil record of the Pampean Region of Argentina occupies an important place in South American vertebrate paleontology. An abundance of localities has long been the main basis for constructing the ...
Filogeografía y conservación genética del pecarí de collar, Pecari tajacu en cuatro departamentos de Colombia
(2011)
El pecaríe de collar, Pecari tajacu es una especie que presenta una amplia distribución en el continente americano desde el sur de Norte América hasta el Norte de Argentina, habita ambientes en diferente grado de intervención ...
A Pliocene–Pleistocene continental biota from Venezuela
(Springer, 2021-05)
The Pliocene–Pleistocene transition in the Neotropics is poorly understood despite the major climatic changes that occurred at the onset of the Quaternary. The San Gregorio Formation, the younger unit of the Urumaco Sequence, ...
Relaciones filogenéticas e historia evolutiva del género Echinosaura (squamata: Gymnophthalmidae)
(Facultad de Ciencias Exactas y NaturalesManizalesBiología, 2023)
Late Pleistocene carnivores (Carnivora: Mammalia) from a cave sedimentary deposit in northern Brazil
(Academia Brasileira de Ciencias, 2014-07)
The Brazilian Quaternary terrestrial Carnivora are represented by the following families: Canidae, Felidae, Ursidae, Procyonidae Mephitidae and Mustelidae. Their recent evolutionary history in South America is associated ...
Los Xenarthra (Mammalia) del Ensenadense (Pleistoceno Inferior a Medio) de la Región Pampeana (Argentina)The Xenarthra (Mammalia) from the Ensenadean (lower to middle Pleistocene) of the Pampean region (Argentina)
(Universidad Nacional Autónoma de México. Centro de Geociencias, 2010-06)
Los Xenarthra (Mammalia) constituyen un grupo monofilético, caracterizado por una arquitectura esqueletaria particularmente distinta a la de los demás mamíferos placentarios. Su distribución actual es casi exclusivamente ...
Coprinisphaera akatanka isp. nov.: the first fossil brood ball attributable to necrophagous dung beetles associated with an Early Pleistocene environmental stress in the Pampean region (Argentina)
(Elsevier Science, 2013-06-21)
The known ichnospecies of Coprinisphaera have been usually linked to dung beetles of coprophagous habits living in grass-dominated environments inhabited by large herbivorous, which provide the dung for constructing brood ...