Search Results - "Santillana, Sergio N."

Final Gondwana breakup: The Paleogene South American native ungulates and the demise of the South America–Antarctica land connection by Reguero, Marcelo A., Gelfo, Javier N., López, Guillermo M., Bond, Mariano, Abello, Alejandra, Santillana, Sergio N., Marenssi, Sergio A.

“…The biogeographic hypothesis more accepted today is that Antarctica (West Antarctica) and southern South America (Magellan region, Patagonia) were connected by…”
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Late Campanian-Early Maastrichtian Vertebrates From The James Ross Basin, West Antarctica: Updated Synthesis, Biostratigraphy, And Paleobiogeography by Reguero, Marcelo A, Gasparini, Zulma, Olivero, Eduardo B, Coria, Rodolfo A, Fernández, Marta S, O Gorman, José P, Gouiric-Cavalli, Soledad, Hospitaleche, Carolina Acosta, Bona, Paula, Iglesias, Ari, Gelfo, Javier N, Raffi, María E, Moly, Juan José, Santillana, Sergio N, Cárdenas, Magalí

“…The Snow Hill Island Formation (SHIF; late Campanian - early Maastrichtian) crops out in the northeast of the Antarctic Peninsula and constitutes the basal…”
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Weddellian marine/coastal vertebrates diversity from a basal horizon (Ypresian, Eocene) of the Cucullaea I Allomember, La Meseta formation, Seymour (Marambio) Island, Antarctica by Reguero, Marcelo A., Marenssi, Sergio A., Santillana, Sergio N.

“…The La Meseta Formation crops out in Seymour/Marambio Island, Weddell Sea, northeast of the Antarctic Peninsula and contains one of the world's most diverse…”
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Provenance, environmental and paleogeographic controls on sandstone composition in an incised-valley system: the Eocene La Meseta Formation, Seymour Island, Antarctica by Marenssi, Sergio A, Net, Laura I, Santillana, Sergio N

“…The Eocene La Meseta Formation is the youngest exposed unit of the back-arc James Ross Basin, Antarctic Peninsula, cropping out in Seymour (Marambio) Island…”
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Crossvallia unienwillia, a new Spheniscidae (Sphenisciformes, Aves) from the Late Paleocene of Antarctica by Tambussi, Claudia P., Reguero, Marcelo A., Marenssi, Sergio A., Santillana, Sergio N.

“…Modern penguins are typically small to medium-sized birds, and nearly all known modern specimens are smaller than the most archaic Paleogene relatives. Here we…”
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Fossil woods from the Cross Valley Formation (Paleocene of Western Antarctica): Araucariaceae-dominated forests by Pujana, Roberto R., Marenssi, Sergio A., Santillana, Sergio N.

“…Fossil woods from Paleocene sediments of the Cross Valley Formation (Seymour Island, Antarctic Peninsula) are anatomically studied in detail. We collected 64…”
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Conifer fossil woods from the La Meseta Formation (Eocene of Western Antarctica): Evidence of Podocarpaceae-dominated forests by Pujana, Roberto R., Santillana, Sergio N., Marenssi, Sergio A.

“…A new collection of 120 fossil wood samples from early Eocene sediments of the La Meseta Formation is studied. Conifers represent 68% of the total amount of…”
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Final Gondwana breakup: The Paleogene South American native ungulates and the demise of the South America―Antarctica land connection: Scotia Arc Evolution: Global Implications by REGUERO, Marcelo A, GELFO, Javier N, LOPEZ, Guillermo M, BOND, Mariano, ABELLO, Alejandra, SANTILLANA, Sergio N, MARENSSI, Sergio A

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STRATIGRAPHY OF THE LA MESETA FORMATION (EOCENE), MARAMBIO (SEYMOUR) ISLAND, ANTARCTICA by Sergio A. Marenssi, Sergio N. Santillana, Carlos A. Rinaldi

“…La Meseta Formation is a discontinuity bounded sedimentary unit which crops out on Marambio (Seymour) and Cockburn islands, approximately 100 km SE of the…”
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FLORA Y PALEOCLIMA DE LA FORMACIÓN LA MESETA (EOCENO MEDIO), ISLA MARAMBIO (SEYMOUR), ANTÁRTIDA by María A. Gandolfo, Sergio A. Marenssi, Sergio N. Santillana

“…New elements of the La Meseta Formation megaflora are described. This unit crops out on the northern third of Marambio (Seymour) Island, Antarctica. Fossil…”
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EOCENE HIGH-LATITUDE TERRESTRIAL VERTEBRATES FROM ANTARCTICA AS BIOGEOGRAPHIC EVIDENCE by Marcelo A. Reguero, Sergio F. Vizcaíno, Francisco J. Goin, Sergio A. Marenssi, Sergio N. Santillana

“…A moderately diverse terrestrial biota is known from the Eocene - ?early Oligocene La Meseta Formation, Seymour Island, Antarctic Peninsula. The La Meseta…”
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UNA FLOR FÓSIL MORFOLÓGICAMENTE AFÍN A LAS GROSSULARIACEAE (ORDEN ROSALES) DE LA FORMACIÓN LA MESETA (EOCENO MEDIO) ISLA MARAMBIO, ANTÁRTIDA by María A. Gandolfo, Patricia Hoc, Sergio N. Santillana, Sergio A. Marenssi

“…A new fossil flower with affinities to the family Grossulariaceae is described. It was collected from outcrops of La Meseta Formation, Marambio (Seymour)…”
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Antarctic Peninsula and South America (Patagonia) Paleogene terrestrial faunas and environments: biogeographic relationships by Reguero, Marcelo A., Marenssi, Sergio A., Santillana, Sergio N.

“…The Eocene of Seymour Island contains the only association of Cenozoic plants and land vertebrates known from anywhere in Antarctica and lies at about latitude…”
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Weddellian marine/coastal vertebrates diversity from a basal horizon (Ypresian, Eocene) of the Cucullaea I Allomember, La Meseta formation, Seymour (Marambio) Island, Antarctica/Diversidad de vertebrados marino costeros de la Provincia Weddelliana en un horizonte basal (Ypresiano, Eoceno) del Alomiembro Cucullaea I, Formación La Meseta, isla Seymour (Marambio), Antártida by Reguero, Marcelo A, Marenssi, Sergio A, Santillana, Sergio N

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Araucaria fibrosa, a new name to replace the illegitimate name Araucaria antarctica Césari, Marenssi and Santillana, 2001 by Césari, Silvia N., Marenssi, Sergio A., Santillana, Sergio N.

“…Araucaria antarctica Césari et al. is an illegitimate name because it is a later homonym of Araucaria antarctica Gee (fossil Araucariaceae). Hence, a new…”
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Diversidad de vertebrados marino costeros de la Provincia Weddelliana en un horizonte basal , Antartida by Reguero, Marcelo A, Marenssi, Sergio A, Santillana, Sergio N

“…La Formación La Meseta aflora en la Isla Seymour/Marambio, Mar de Weddell, noreste de la Península Antártica y contiene una de las asociaciones de…”
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Diversidad de vertebrados marino costeros de la Provincia Weddelliana en un horizonte basal (Ypresiano, Eoceno) del Alomiembro Cucullaea I, Formación La Meseta, isla Seymour (Marambio), Antártida by Reguero, Marcelo A, Marenss, Sergio A, Santillana, Sergio N

“…La Formación La Meseta aflora en la Isla Seymour/Marambio, Mar de Weddell, noreste de la Península Antártica y contiene una de las asociaciones de vertebrados…”
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