Results 61 to 70 of about 2,942 (266)

Protypotherium obstructum Ameghino 1888

open access: yes, 2018
Protypotherium obstructum Ameghino 1888 Holotype. MACN-A 1677 (Fig. 2 G), lower premolar. Diagnosis (Ameghino 1888: 14). “ Esta especie está representada por un solo premolar inferior, pero de una forma tan distinta de los mismos dientes de las ...
Reguero, Marcelo A.   +3 more
core   +1 more source

De los canales de riego al Dique Ameghino Agua, infraestructura y sociedad en el valle del Chubut (Patagonia, Argentina)

open access: yesRevista de historia americana y argentina
El artículo da cuenta de las implicancias socio-políticas de la transformación del valle del río Chubut asociada a la agricultura, tal como fue practicada por inmigrantes galeses asentados a partir de 1865.
Fernando Williams
semanticscholar   +1 more source

Future Climate Change Threatens the Genetic Diversity and Distribution of Some South American Freshwater Crustaceans of the Genus Aegla

open access: yesAquatic Conservation: Marine and Freshwater Ecosystems, Volume 36, Issue 1, January 2026.
ABSTRACT Climate change significantly threatens biodiversity, particularly in freshwater ecosystems, which host many endemic and threatened species. Among them, aeglids stand out as strictly endemic, ecologically important and highly threatened crustaceans, making them a relevant model for investigating the impacts of climate change on aquatic ...
Gislaine Puli   +4 more
wiley   +1 more source

Una rápida ojeada a la evolución filogenética de los mamíferos [PDF]

open access: yes, 1916
Fil: Ameghino, Florentino.
Ameghino, Florentino
core  

Microbiotheria Ameghino 1889

open access: yes, 2022
Published as part of Beck, Robin M. D., Voss, Robert S. & Jansa, Sharon A., 2022, Craniodental Morphology And Phylogeny Of Marsupials, pp. 1-353 in Bulletin of the American Museum of Natural History 2022 (457) on page 224, DOI: 10.1206/0003-0090.457.1.1, http://zenodo.org/record ...
Beck, Robin M. D.   +2 more
openaire   +2 more sources

La antigüedad geológica del yacimiento antropolítico de Monte Hermoso [PDF]

open access: yes, 1910
Fil: Ameghino, Florentino.
Ameghino, Florentino
core  

Implicancias del conflicto Ameghino-Moreno sobre la colección de mamíferos fósiles realizada por Carlos Ameghino en su primera exploración al río Santa Cruz, Argentina Implications of the Ameghino-Moreno conflict on the collection of fossil mammals made by Carlos Ameghino during his first exploration of the Santa Cruz river, Argentina

open access: yesRevista del Museo Argentino de Ciencias Naturales, 2011
En septiembre de 1887, Carlos Ameghino, Ayudante Preparador de Paleontología del Museo de La Plata, retornaba de una fructífera expedición a las barrancas del río Santa Cruz, encomendada por el Director de dicha institución, Francisco P. Moreno.
Juan Carlos Fernicola
doaj  

Middle Pleistocene revelations: unravelling taphonomic processes in mammals including Mesotherium cristatum (Mesotheriidae, Notoungulata), Corralito Site, Córdoba Province, Argentina

open access: yesPalaeontology, Volume 68, Issue 4, July/August 2025.
Abstract Taphonomic studies of Cenozoic mammals are scarce. We report a study of the taphonomy of the Corralito site (Middle Pleistocene to Holocene), Córdoba Province, Argentina, which documents the last population of the South American native ungulate typotherid Mesotherium cristatum. We discovered two specimens of M.
Marcos Fernández‐Monescillo   +6 more
wiley   +1 more source

Prostegotherium Ameghino 1902

open access: yes, 2009
Published as part of Tejedor, Marcelo F., Goin, Francisco J., Gelfo, Javier N., López, Guillermo, Bond, Mariano, Carlini, Alfredo A., Scillato-Yané, Gustavo J., Woodburne, Michael O., Chornogubsky, Laura, Aragón, Eugenio, Reguero, Marcelo A., Czaplewski, Nicholas J., Vincon, Sergio, Martin, Gabriel M.
Tejedor, Marcelo F.   +14 more
openaire   +2 more sources

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