Zobrazeno 1 - 10
of 127
pro vyhledávání: '"MARCELO A. REGUERO"'
Publikováno v:
Publicación Electrónica de la Asociación Paleontológica Argentina, Vol 23, Iss 2 (2023)
We present the study of the bromalites retrieved from the Upper Jurassic Ameghino (=Nordenskjöld) Formation at Longing Gap in the Antarctic Peninsula. The material was morphologically and chemically analyzed. We made a qualitative study and a taphon
Externí odkaz:
https://doaj.org/article/a978b29dc55a4285b89ec044abf6c102
Autor:
Agustín G. Martinelli, Sergio Soto-Acuña, Francisco J. Goin, Jonatan Kaluza, J. Enrique Bostelmann, Pedro H. M. Fonseca, Marcelo A. Reguero, Marcelo Leppe, Alexander O. Vargas
Publikováno v:
Scientific Reports, Vol 11, Iss 1, Pp 1-18 (2021)
Abstract In the last decades, several discoveries have uncovered the complexity of mammalian evolution during the Mesozoic Era, including important Gondwanan lineages: the australosphenidans, gondwanatherians, and meridiolestidans (Dryolestoidea). Mo
Externí odkaz:
https://doaj.org/article/aae9a781e8c84f8f96a004482d2c6b48
Autor:
MARCELO A. REGUERO, ZULMA GASPARINI, EDUARDO B. OLIVERO, RODOLFO A. CORIA, MARTA S. FERNÁNDEZ, JOSÉ P. O´GORMAN, SOLEDAD GOUIRIC-CAVALLI, CAROLINA ACOSTA HOSPITALECHE, PAULA BONA, ARI IGLESIAS, JAVIER N. GELFO, MARÍA E. RAFFI, JUAN JOSÉ MOLY, SERGIO N. SANTILLANA, MAGALÍ CÁRDENAS
Publikováno v:
Anais da Academia Brasileira de Ciências, Vol 94, Iss suppl 1 (2022)
Abstract The Snow Hill Island Formation (SHIF; late Campanian – early Maastrichtian) crops out in the northeast of the Antarctic Peninsula and constitutes the basal part of the late Campanian-early Maastrichtian sedimentary succession of the James
Externí odkaz:
https://doaj.org/article/38b5f3199b944877929d26354afd4954
Autor:
Michael Westbury, Sina Baleka, Axel Barlow, Stefanie Hartmann, Johanna L.A. Paijmans, Alejandro Kramarz, Analía M Forasiepi, Mariano Bond, Javier N. Gelfo, Marcelo A. Reguero, Patricio López-Mendoza, Matias Taglioretti, Fernando Scaglia, Andrés Rinderknecht, Washington Jones, Francisco Mena, Guillaume Billet, Christian de Muizon, José Luis Aguilar, Ross D.E. MacPhee, Michael Hofreiter
Publikováno v:
Nature Communications, Vol 8, Iss 1, Pp 1-8 (2017)
Classification of the extinct South American native ungulates (SANUs) has posed a challenge given the absence of close, surviving relatives. Here, Westburyet al. sequence the mitochondrial genome of the extinct SANU Macrauchenia patachonicaand recons
Externí odkaz:
https://doaj.org/article/d49c09d93c854982bfa03db9f40f7458
Publikováno v:
Rivista Italiana di Paleontologia e Stratigrafia, Vol 124, Iss 2 (2018)
The first record of one of the most common and widespread Paleogene selachians, the sand tiger shark Brachycarcharias, in the Ypresian strata of the La Meseta Formation, Seymour Island, Antarctica, is provided herein. Selachians from the early Eocene
Externí odkaz:
https://doaj.org/article/966d285df1624e17be4332fa7a1f0b37
Publikováno v:
Revista Peruana de Biología, Vol 19, Iss 3, Pp 275-284 (2013)
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 assemblages of Weddellian marine/coastal verte-brates of Early Eocene (Ypresian) age. The La
Externí odkaz:
https://doaj.org/article/1615f3350eeb48fb9f3a3a222c734528
Publikováno v:
Publicación Electrónica de la Asociación Paleontológica Argentina, Vol 5, Iss 1 (2015)
Abstract. 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
Externí odkaz:
https://doaj.org/article/b4cd60062b594b78b32e0410e382c838
Autor:
Sergio F. Vizcaíno, Marcelo A. Reguero, Francisco J. Goin, Claudia P. Tambussi, Jorge I. Noriega
Publikováno v:
Publicación Electrónica de la Asociación Paleontológica Argentina, Vol 5, Iss 1 (2015)
Abstract. The record of Paleogene terrestrial vertebrates from Antarctica is restricted to the shallow marine water sediments of the La Meseta Formation (Eocene) of Seyrnour Island (56° 43'W 64° 14'S). Marnmals are represented by marsupials, edenta
Externí odkaz:
https://doaj.org/article/35977a678dac4cb49056df29faa78513
Autor:
Marcelo A. Reguero, Sergio F. Vizcaíno, Francisco J. Goin, Sergio A. Marenssi, Sergio N. Santillana
Publikováno v:
Publicación Electrónica de la Asociación Paleontológica Argentina, Vol 5, Iss 1 (2015)
Abstract. 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, est
Externí odkaz:
https://doaj.org/article/0786b2ad4f3b40e4a5728d59be7287cf
Autor:
María Susana Bargo, Marcelo A. Reguero
Publikováno v:
Publicación Electrónica de la Asociación Paleontológica Argentina, Vol 5, Iss 1 (2015)
Abstract. The fossil vertebrate collection from Antarctica housed in the Departamento Científico Paleontología Vertebrados of Museo de La Plata house more than 15,000 specimens. It includes fishes, marine reptiles, dinosaurs, birds and mammals. The
Externí odkaz:
https://doaj.org/article/730b471fc7d14c5182986c7b9c952a3d