Results 21 to 30 of about 65 (58)

Paleobiogeografía cultural de la reserva de la biosfera de Urdabai (Vizcaya)

open access: yesBoletín de la Asociación de Geógrafos Españoles
Texto resumen.
Pedro José Lozano Valencia   +2 more
doaj   +2 more sources

JURASSIC ORGANIC-WALLED MARINE MICROPLANKTON FROM THE NEUQUÉN BASIN. DISTRIBUTION, BIOSTRATIGRAPHY AND PALEOBIOGEOGRAPHY. A REVIEW

open access: yesPublicación Electrónica de la Asociación Paleontológica Argentina, 2016
. The Mesozoic Era is crucial for analyzing the replacement of microplanktonic lineages resulting from the beginning of the break-up of Pangea. The paleogeography of South America, and hence of Argentina, underwent successive changes since this time. The
Marcelo A. Martínez, Daniela E. Olivera
doaj  

Una tortuga Chelidae (Testudines: Pleurodira) de cuello largo en el Grupo Neuquén, Río Negro, Argentina: Significado cronológico y paleobiogeográfico A long-necked Chelidae turtle (Testudines: Pleurodira) from the Neuquén Group, Río Negro, Argentina: Chronological and paleobiogeographical significance

open access: yesAndean Geology, 2010
Diferentes restos de una tortuga Chelidae cuellilarga de la Formación Anacleto (Santoniano tardío-Campaniano temprano), aflorante en la localidad de Valle de la Luna Rojo, Provincia de Río Negro, Argentina, son conferidos a la especie Yaminuechelys cf ...
Marcelo S de la Fuente   +2 more
doaj  

Paleobiogeography and taxonomy of the genus Concholepas (Lamarck, 1801): a review and new evidences Paleobiogeografía y taxonomía del género Concholepas (Lamarck, 1801): una revisión y nuevas evidencias

open access: yesRevista Chilena de Historia Natural, 2008
The muricid gastropod Concholepas concholepas, known in Chile as 'loco', is an important component of intertidal and shallow subtidal communities, and is one of the main invertebrates targeted by small-scale fishers (divers) in Chile.
LEYLA CÁRDENAS   +2 more
doaj  

Taxonomic revision of the fossil pulmonate mollusks of Itaboraí Basin (Paleocene), Brazil

open access: yesPapéis Avulsos de Zoologia, 2013
The limestones of Itaboraí Basin (Middle Paleocene), Rio de Janeiro, Brazil, harbor a rich fossil molluscan fauna consisting exclusively of pulmonate snails, both terrestrial and freshwater. An extensive taxonomic revision of this paleofauna is conducted
Rodrigo Brincalepe Salvador   +1 more
doaj  

EOCENE HIGH-LATITUDE TERRESTRIAL VERTEBRATES FROM ANTARCTICA AS BIOGEOGRAPHIC EVIDENCE

open access: yesPublicación Electrónica de la Asociación Paleontológica Argentina, 2015
. A moderately diverse terrestrial biota is known from the Eocene - ?early Oligocene La Meseta Formation, Seymour Island, Antarctic Peninsula. The La Meseta Formation fills an incised valley and comprises sediments that represent deltaic, estuarine and ...
Marcelo A. Reguero   +4 more
doaj  

Paleobiogeografía del arribo de mamíferos suramericanos al sur de América Central de previo al gran intercambio biótico americano: un vistazo al GABI en América Central Paleobiogeography of the arrival of south american mammals to southern Central America prior to the great american biotic interchange: a look at the GABI in Central America

open access: yesRevista Geológica de América Central, 2012
A la luz de los nuevos registros fósiles de xenarthras en la Formación Curré, se realiza un análisis paleobiogeográfico de la fauna de vertebrados de la localidad fosilífera de San Gerardo de Limoncito en el sur de Costa Rica de edad Hemphilliano ...
César A Laurito, Ana L Valerio
doaj  

ANTARCTICA AS BACKGROUND FOR MAMMALIAN EVOLUTION

open access: yesPublicación Electrónica de la Asociación Paleontológica Argentina, 2015
. Since the 1980's, a series of new Cretaceous-Paleogene land mammals has been found in southern continents. They drastically changed the traditional perspective of how mammals evolved all over the world, and particularly, how they evolved in the ...
Sergio F. Vizcaíno   +3 more
doaj  

Paleobiogeografia de Hegetotheriidae ( Notoungulata, Mammalia) usando Rasp ( Reconstruct ancient state in Phylogenies)

open access: yes, 2016
XXX Jornadas Argentinas de Paleontología de ...
Seoane, Federico Damián   +2 more
openaire   +1 more source

Home - About - Disclaimer - Privacy