Results 51 to 60 of about 506 (80)

NEW RECORDS OF BIRDS FROM THE SANTA CRUZ FORMATION (EARLY–MIDDLE MIOCENE) AT THE RÍO SANTA CRUZ VALLEY, PATAGONIA, ARGENTINA

open access: yesPublicación Electrónica de la Asociación Paleontológica Argentina, 2019
The Santa Cruz Formation constitutes one of the most representative units of the Early-Middle Miocene of South America for its abundant and rich fossil record of vertebrates.
Juan Marcelo Diederle   +1 more
doaj  

CINGULATES (MAMMALIA, XENARTHRA) OF THE SANTA CRUZ FORMATION (EARLY–MIDDLE MIOCENE) FROM THE RÍO SANTA CRUZ, ARGENTINE PATAGONIA

open access: yesPublicación Electrónica de la Asociación Paleontológica Argentina, 2019
In 1887 Carlos Ameghino carried out the earliest extensive exploration of the fossiliferous localities along the Río Santa Cruz (Patagonia). His brother Florentino erected more than 100 vertebrate species based on the remains that Carlos recovered.
Juan Carlos Fernicola   +1 more
doaj  

Revisión del estatus sistemático de los zorros grises patagónico y pampeano (Canidae: Lycalopex griseus y L. gymnocercus) usando morfometría geométrica 3D [PDF]

open access: yes, 2013
Argentinean “zorros de campo” are currently included in two species: Lycalopex griseus and L. gymnocercus. Lycalopex gymnocercus lives in northern Patagonia and in most of central and northern Argentina.
Cassini, Guillermo Hernán   +3 more
core  

A poorly known rodentlike mammal (Pachyrukhinae, Hegetotheriidae, Notoungulata) from the Deseadan (Late Oligocene) of Argentina. Paleoecology, biogeography, and radiation of the rodentlike ungulates in South America [PDF]

open access: yes, 2007
Fil: Reguero, Marcelo Alfredo. División Paleontología Vertebrados. Facultad de Ciencias Naturales y Museo. Universidad Nacional de La Plata; ArgentinaFil: Dozo, María Teresa. Laboratorio de Paleontología. Centro Nacional Patagónico. Puerto Madryn. Chubut;
Cerdeño, Esperanza   +2 more
core  

A new generalized paucituberculatan marsupial from the Oligocene of Bolivia, and the origin of ‘shrew-like’ opossums [PDF]

open access: yes, 2007
Insights into the origin of ‘shrew-like’ oposssums of South America are gained thanks to a new fossil from the Oligocene Salla Beds in Bolivia. The specimen described here consists of a partial rostrum, palate and postcanine teeth, and shows several ...
Abello, María Alejandra   +3 more
core   +4 more sources

A new genus and species of Planopinae (Xenarthra: Tardigrada) from the Miocene of Santa Cruz Province, Argentina [PDF]

open access: yes, 2013
Prepoplanops boleadorensis, a new genus and species of Planopinae (Xenarthra, Tardigrada), is described herein. The new taxon is based on a nearly complete specimen recovered from the Cerro Boleadoras Formation (Miocene, Río Zeballos Group), in ...
Brandoni, Diego   +2 more
core   +1 more source

Bee cell trace fossils associations on paleosols from the Santa Cruz Formation: Palaeoenvironmental and palaeobiological implications [PDF]

open access: yes, 2016
Numerous isolated fossil bee cells and other trace fossils are documented from the Santa Cruz Formation (Santa Cruz, Argentina). The trace fossils are described from paleosols of 7 coastal localities.
Krapovickas, Verónica   +3 more
core   +1 more source

New Pleistocene cave faunas of the Andes of central Peru : radiocarbon ages and the survival of low latitude pleistocene DNA [PDF]

open access: yes, 2009
Peruvian citizens have led our team to their discoveries of Pleistocene cave faunas in the central Andes of Per. These caves (Jatun Uchco, Departamento de Huanuco; Cueva Rosello, Departamento de Junin; and Trigo Jirka, Departamento de Huanuco) preserve ...
Andrew Clack   +11 more
core  

Cingulados (Mammalia, Xenarthra) de la formación Santa Cruz (Mioceno temprano-medio) del Río Santa Cruz, Patagonia Argentina [PDF]

open access: yes, 2019
En 1887 Carlos Ameghino llevó a cabo la expedición más importante que prospectó las localidades ubicadas a lo largo del Río Santa Cruz. Los fósiles recolectados le permitieron a su hermano Florentino erigir más de 100 especies de vertebrados.
Fernicola, Juan Carlos   +1 more
core   +1 more source

Antecedentes históricos para una revisión de la paleontología de la formación santa cruz (mioceno temprano– medio) a lo largo del río Santa Cruz, Patagonia, Argentina [PDF]

open access: yes, 2019
En 1887, Carlos Ameghino realizó la primera expedición geológica y paleontológica al Río Santa Cruz (RSC), Patagonia, Argentina. Entre 1887 y 1889, Florentino Ameghino estudió los fósiles obtenidos por Carlos, con los que fundó más de 120 taxones y ...
Bargo, María Susana   +3 more
core   +2 more sources

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