Results 1 to 10 of about 506 (80)

EARLY MIOCENE SLOTHS (XENARTHRA, FOLIVORA) FROM THE RÍO SANTA CRUZ VALLEY (SOUTHERN PATAGONIA, ARGENTINA). AMEGHINO, 1887 REVISITED [PDF]

Publicación Electrónica de la Asociación Paleontológica Argentina, 2019
The first detailed geological and paleontological survey of the Santa Cruz Formation (Early–Middle Miocene; Burdigalian–early Langhian) along the Río Santa Cruz was carried out in 1887 by Carlos Ameghino, who recovered more than 2000 fossil remains.
M. Susana Bargo, Gerardo De Iuliis, Néstor Toledo   +2 more
doaj   +4 more sources

A singular Hegetotheriinae (Notoungulata, Typotheria) from the late Oligocene-Early Miocene of the Subandean Region of Bolivia

Brazilian Journal of Geology, 2021
Geological studies in the northern sector of the Chaco foreland Basin, Bolivia, yielded new fossils coming from late Oligocene-late Miocene of the Petaca Formation. Few fossil mammals were known from the Subandean Region of Bolivia. We report a partially
Marcelo Alfredo Reguero, David Eric Tineo, Paula Bona, Leandro Martín Pérez, Gustavo Dardo Vergani, Gloria González Ruiz, Daniel Gustavo Poiré   +6 more
doaj   +1 more source

MORPHOLOGICAL INTEGRATION OF NATIVE SOUTH AMERICAN UNGULATE MANDIBLES. A TRIBUTE TO D’ARCY THOMPSON IN THE CENTENNIAL OF “ON GROWTH AND FORM”

Publicación Electrónica de la Asociación Paleontológica Argentina, 2017
South American native ungulates include several extinct lineages that evolved within the context of South American Cenozoic geographic isolation. By the late early Miocene Santacrucian Age, the orders Notoungulata, Litopterna, and Astrapotheria were ...
Cassini, Guillermo H., Muñoz, nahuel A., Vizcaíno, Sergio F.   +2 more
doaj   +3 more sources

Paleosols and related soil-biota of the Early Miocene Santa Cruz Formation (Austral-Magallanes Basin, Argentina): a multidisciplinary approach to reconstructing ancient terrestrial landscapes

Latin American Journal of Sedimentology and Basin Analysis, 2021
The middle and upper parts of the lower Miocene Santa Cruz Formation (~17–15.9 Ma) in the southeastern Austral-Magallanes Basin (southern Patagonia, Argentina) crop out as a fluvial succession that in parts is pedogenically modified.
M. Sol Raigemborn, Alejandro F. Zucol, Luciano Zapata, Elisa Beilinson, Nestor Toledo, Jonathan Perry, Sabrina Lizzoli, Lucía Martegani, David E. Tineo, Esteban Passeggi   +9 more
doaj   +2 more sources

THE RECORD OF THE TYPOTHERE PACHYRUKHOS (MAMMALIA, NOTOUNGULATA) AND THE CHINCHILLID PROLAGOSTOMUS (MAMMALIA, RODENTIA) IN THE SANTA CRUZ FORMATION (EARLY–MIDDLE MIOCENE) SOUTH TO THE RÍO COYLE, PATAGONIA, ARGENTINA

Publicación Electrónica de la Asociación Paleontológica Argentina, 2021
The continental early–middle Miocene Santa Cruz Formation (SCF) from Patagonia is one of the most important stratigraphic units of southern South America in terms of the terrestrial Neogene record.
Sergio F. Vizcaíno, M. Susana Bargo, Richard F. Kay, M. Sol Raigemborn   +3 more
doaj  

HISTORICAL BACKGROUND FOR A REVISION OF THE PALEONTOLOGY OF THE SANTA CRUZ FORMATION (EARLY–MIDDLE MIOCENE) ALONG THE RÍO SANTA CRUZ, PATAGONIA, ARGENTINA

Publicación Electrónica de la Asociación Paleontológica Argentina, 2019
In 1887, Carlos Ameghino carried out the first geological and paleontological expedition to the Río Santa Cruz (RSC), Patagonia, Argentina. Between 1887 and 1889, Florentino Ameghino studied the fossils obtained by Carlos, founding more than 120 taxa ...
Juan Carlos Fernicola, M. Susana Bargo, Sergio Fabián Vizcaíno, Richard Kay   +3 more
doaj  

ANALYSIS OF THE EARLY–MIDDLE MIOCENE MAMMAL ASSOCIATIONS AT THE RÍO SANTA CRUZ (PATAGONIA, ARGENTINA)

Publicación Electrónica de la Asociación Paleontológica Argentina, 2019
The Santa Cruz Formation (SCF) records high latitude terrestrial paleoecosystems in the Southern Hemisphere during Burdigalian– early Langhian times (Early–Middle Miocene).
Juan Carlos Fernicola, Sergio Fabián Vizcaíno, M. Susana Bargo, Richard Frederick Kay, Jose Ignacio Cuitiño   +4 more
doaj  

CURATION AND CATALOGING OF THE “OLD COLLECTIONS” OF FOSSIL VERTEBRATES OF THE MUSEO DE LA PLATA (1884–1902): THE CASE OF NESODONTINAE (MAMMALIA, NOTOUNGULATA,TOXODONTIDAE) FROM THE SANTA CRUZ FORMATION

Publicación Electrónica de la Asociación Paleontológica Argentina
The process of organizing early collections for the simple sake of storing and retrieving information—for example, assigning identifying numbers to specimens, recording those numbers in a catalog, and, more recently, adding that information to a ...
Marcelo Reguero, María Susana Bargo, Sergio F. Vizcaíno   +2 more
doaj   +1 more source

CALYPTOCEPHALELLA (ANURA, AUSTRALOBATRACHIA) REMAINS FROM RÍO SANTA CRUZ (EARLY–MIDDLE MIOCENE, SANTA CRUZ FORMATION), SANTA CRUZ PROVINCE, ARGENTINA

Publicación Electrónica de la Asociación Paleontológica Argentina, 2019
In this contribution, the first anuran fossils from classical Santacrucian localities of the Río Santa Cruz are described. According to proportions and features recognized in the few skull elements recorded, the remains are assigned to the southern ...
Paula Muzzopappa
doaj  

REVISION OF THE MIOCENE CAVIOMORPH RODENTS FROM THE RÍO SANTA CRUZ (ARGENTINEAN PATAGONIA)

Publicación Electrónica de la Asociación Paleontológica Argentina, 2019
Fossil rodents from the Río Santa Cruz (RSC) classic localities (Santa Cruz Formation, Early–Middle Miocene) are known by the works of F. Ameghino and W.B. Scott since the end of the 19th and beginning of the 20th centuries.
Michelle Arnal, María Encarnación Pérez, Cecilia Deschamps   +2 more
doaj