Results 41 to 50 of about 471 (103)

EARLY CRETACEOUS DINOFLAGELLATE CYSTS FROM THE NEUQUÉN AND AUSTRAL BASINS: A REVIEW

open access: yesPublicación Electrónica de la Asociación Paleontológica Argentina, 2016
. The present work documents and gathers the most relevant records of the organic-walled dinoflagellate cysts from different sites of the Neuquén and Austral Basins.
Maria V. Guler   +2 more
doaj  

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  

Sistemàtica i descriptiva de les famílies Tonnidae, Ficidae i Cassidae (Tonnoidea, Gastropoda) del Pliocè del Mediterrani nord-occidental [PDF]

open access: yes, 1999
En aquest treball es revisa la sistemàtica de les espècies de les famílies Tonnidae, Ficidae i Cassidae (Gastropoda) presents als dipòsits pliocens marins del Mediterrani nord-occidental.
Solsona i Masana, Marta
core  

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

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  

Nuevos enfoques sobre los vertebrados del Pérmico y Triásico de la Península Ibérica, con énfasis en las cuencas Pirenaica y Catalana [PDF]

open access: yes
Few studies paid attention to the Permian and Triassic vertebrates from the Iberian Peninsula and a re-evaluation of these faunas is needed in order to compare them with other European basins.
Bolet, A.   +4 more
core   +2 more sources

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  

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