Buscar
Mostrando ítems 21-30 de 180
The oldest mammals from Antarctica, early Eocene of the La Meseta Formation, Seymour Island
(Wiley Blackwell Publishing, Inc, 2014-07)
New fossil mammals found at the base of Acantilados II Allomember of the La Meseta Formation, from the early Eocene (Ypresian) of Seymour Island, represent the oldest evidence of this group in Antarctica. Two specimens are ...
Skates and rays (Elasmobranchii, Batomorphii) from the Eocene La Meseta and Submeseta formations, Seymour Island, Antarctica
(Taylor & Francis, 2019-09)
Eocene deposits of the famous La Meseta Formation of Seymour Island, Antarctic Peninsula, yielded the most diverse Paleogene fossil elasmobranch association of the Southern Hemisphere. In this assemblage, sharks clearly ...
A non-aristonectine plesiosaur from Antarctica reveals new data on the mandibular symphysis of elasmosaurids
(Taylor & Francis Ltd, 2020-11-25)
Elasmosaurids are one of the most abundant fossil marine reptile groups identified from the Upper Cretaceous strata of Antarctica. However, the documented record of intact elasmosaurid skull remains is scarce. In this ...
A stem falconid bird from the Lower Eocene of Antarctica and the early southern radiation of the falconsEin der Stammgruppe Falconidae angehörender Vogel aus dem Untereozän der Antarktis und die frühe südliche Radiation der Falken
(Wiley Blackwell Publishing, Inc, 2016-07)
Antarctoboenus carlinii nov. gen. nov. sp. is a large-sized falconiform bird from the La Meseta Formation (Lower Eocene) at Seymour (Marambio) Island, West Antarctica. The holotypical tarsometatarsus was originally assigned ...
EOCENE BIRDS FROM THE WESTERN MARGIN OF SOUTHERNMOST SOUTH AMERICA
(PALEONTOLOGICAL SOC INC, 2010-05-25)
This study presents the first record of Eocene birds from the western margin of southernmost South America. Three localities in Magallanes, southern Chile, have yielded a total of eleven bird remains, including Sphenisciformes ...
Gênese e classificação de solos desenvolvidos em semideserto polar - Ilha Seymour, AntárticaGenesis and classification of soils developed in polar semi desert - Seymour Island, Antarctic
(Universidade Federal de ViçosaBRFertilidade do solo e nutrição de plantas; Gênese, Morfologia e Classificação, Mineralogia, Química,Mestrado em Solos e Nutrição de PlantasUFV, 2015)
Eocene basilosaurid whales from the la Meseta formation, Marambio (Seymour) Island, Antarctica
(Asociacion Paleontologica Argentina, 2016-06)
El registro fósil de los basilosáuridos está bien documentado durante el Bartoniano—Priaboniano en varias localidades del mundo, lo cual indica que este grupo estaba ampliamente distribuido durante el Eoceno medio tardío. ...
A high-resolution record of environmental changes from a Cretaceous-Paleogene section of Seymour Island, Antarctica
(Elsevier Science, 2020-06)
A high-resolution sedimentological and palynological study was performed in combination with biomarker-based organic geochemical temperature proxies TEX86 and MBT′/CBT, on a 7.4-m-thick continuous section straddling the ...