Results 31 to 40 of about 170 (83)

Estimation of the body mass in the Notoungulata order [PDF]

, 2014
Los Notoungulata son un grupo de mamíferos fósiles ampliamente diversos y sin representantes vivientes. Prácticamente no se disponen de estimaciones de la masa corporal para la mayoría de los géneros incluidos en este Orden, ni de un método objetivo para
Elissamburu, Andrea
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New association of Paleogene Mammals in Eastern of Patagonia (Chubut Province, Argentina): Biochronological and paleobiogeographical implications [PDF]

, 2019
Los fósiles de mamíferos continentales hallados en la localidad Barrancas Blancas, ubicada en la Estancia ‘La Argentina’, cerca de Camarones, en el sureste de la provincia del Chubut, Argentina, constituyen una nueva asociación faunística del Paleógeno ...
Martínez, Gastón, Bouzas, Pía, Ciancio, Martín Ricardo, Dozo, María Teresa   +3 more
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The Allemann collection from the Santa Cruz Formation (late early Miocene), Argentina, in Zurich, Switzerland [PDF]

, 2021
One of the best-known faunal assemblages that characterizes the past ecosystems from South America comes from the Santa Cruz Formation in Argentina.
Zurita Altamirano, Daniel, Kramarz, Alejandro Gustavo, Sánchez Villagra, Marcelo R., Carrillo, Juan D., Buffetaut, Eric, Forasiepi, Analía M., Aguirre Fernández, Gabriel, Carlini, Alfredo Armando, Scheyer, Torsten M.   +8 more
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Estudio anatómico y sistemático de tarsales proximales de ungulados de la Formacion Geste (Noroeste de Argentina) [PDF]

, 2016
Los afloramientos paleógenos del noroeste de Argentina han brindado en los últimos años una abundante cantidad de información acerca de la evolución de los mamíferos de América del Sur durante la primera parte del Cenozoico.
Armella, Matías Alberto, Babot, María Judith, Garcia Lopez, Daniel Alfredo, Lorente, Malena   +3 more
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Oligocene mammals from the Andes of central Chile [PDF]

, 2010
More than 1400 fossil mammal specimens have been collected over the past 20 years through a series of US-Chilean paleontological expeditions in the central Chilean Andes. These fossils derive from volcaniclastic intervals of the Abanico Formation, mostly
Bamba, K., Flynn, John J., Wyss, André R., Jeong, A., Croft, Darin Andrew   +4 more
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Nuevos registros y revisión del género Transpithecus (Interatheriidae, Notoungulata) del Eoceno de Chubut, Argentina [PDF]

, 2010
El género transpithecus ameghino fue definido con una única especie, t. obtentus a partir de tres molares superiores (macn 10833). en 1967 se dieron a conocer nuevos materiales y una descripción más completa de este género monotípico, comparándolo con ...
Vera, B., Vera, Barbara
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The Allemann collection from the Santa Cruz Formation (late early Miocene), Argentina, in Zurich, Switzerland

, 2019
One of the best-known faunal assemblages that characterizes the past ecosystems from South America comes from the Santa Cruz Formation in Argentina.
Forasiepi, Analía M, Kramarz, Alejandro, Scheyer, Torsten M; https://orcid.org/, Sánchez-Villagra, Marcelo R; https://orcid.org/, Buffetaut, Eric, Carrillo, Juan D; https://orcid.org/, Zurita-Altamirano, Daniel, Carlini, Alfredo A, Aguirre-Fernández, Gabriel; https://orcid.org/   +8 more
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Icochilus Ameghino 1889

, 2019
Icochilus Ameghino, 1889 Type species (this contribution). Icochilus extensus Ameghino, 1889: 471 –472. Comments. Ameghino (1889) did not designate the type species of genus Icochilus among the four species originally defined within this taxon ...
Cerdeño, Esperanza, Fernández, Mercedes, Fernicola, Juan Carlos   +2 more
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Testing a developmental model in the fossil record: molar proportions in South American ungulates

, 2012
A developmental model, based upon murine rodents, has been proposed by Kavanagh et al. (2007) to explain lower molar proportions in mammals. We produce a clade-wide macroevolutionary test of the model using the dental evolutionary trends in a unique ...
Madden, RH, Wilson, LAB, Wilson, L A B, Wilson, Laura A.B., Kay, Richard F., Sánchez-Villagra, MR, Madden, Richard H., Sánchez-Villagra, Marcelo R., Kay, R F, Sánchez-Villagra, M R; https://orcid.org/, Kay, RF, Madden, R H   +11 more
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Data from: Testing a developmental model in the fossil record: molar proportions in South American ungulates

, 2011
A developmental model, based upon murine rodents, has been proposed by Kavanagh et al. (2007) to explain lower molar proportions in mammals. We produce a clade-wide macroevolutionary test of the model using the dental evolutionary trends in a unique ...
Kay, Richard F., Madden, Richard H., Sánchez-Villagra, Marcelo R., Wilson, Laura A. B.   +3 more
core   +1 more source