Results 1 to 10 of about 1,309 (177)

Paleohistology of Caraguatypotherium munozi (Mammalia, Notoungulata, Mesotheriidae) from the early late Miocene of northern Chile: A preliminary ontogenetic approach. [PDF]

open access: yesPLoS ONE, 2023
The Miocene Caragua fossil fauna in northern Chile contains a considerable number (7) of articulated partial skeletons tentatively assigned to Caraguatypotherium munozi (Notoungulata, Mesotheriidae), which presents up to 40% body size difference.
Jorge Campos-Medina   +4 more
doaj   +2 more sources

Pleistocene South American native ungulates (Notoungulata and Litopterna) of the historical Roth collections in Switzerland, from the Pampean Region of Argentina [PDF]

open access: yesSwiss Journal of Palaeontology, 2023
The fossil collections made by early explorers in South America have been fundamental to reveal the past diversity of extinct mammals and unravel their evolutionary history.
Juan D. Carrillo, Hans P. Püschel
doaj   +2 more sources

From fossil trader to paleontologist: on Swiss-born naturalist Santiago Roth and his scientific contributions [PDF]

open access: yesSwiss Journal of Palaeontology, 2023
Roth’s explorations, the resulting collections many now allocated in La Plata, Zurich, Geneva and Copenhagen, and his significant contributions in geological—especially stratigraphic—and paleontological topics, are a paradigmatic case for the global ...
Marcelo R. Sánchez-Villagra   +3 more
doaj   +2 more sources

Campamento Vespucio, una nueva localidad con mamíferos pleistocenos en la provincia de Salta, Argentina [PDF]

open access: yesEstudios Geologicos, 2012
En la presente contribución damos a conocer una nueva localidad con mamíferos fósiles pleistocenos, provenientes de una región poco explorada. Los materiales fueron hallados en la Quebrada del Aguay, en Campamento Vespucio, localidad de General Mosconi ...
G. G. Zacarías   +3 more
doaj   +3 more sources

New postcranial remains of large toxodontian notoungulates from the late Oligocene of Mendoza, Argentina and their systematic implications [PDF]

open access: yesActa Palaeontologica Polonica, 2017
During the last decade, the Deseadan (late Oligocene) Quebrada Fiera locality, Mendoza Province, Argentina, has provided a large amount of mammal remains.
Santiago Hernández Del Pino   +2 more
doaj   +4 more sources

Megafauna do Quaternário tardio de Baixa Grande, Bahia, Brasil. [PDF]

open access: yesAnuário do Instituto de Geociências, 2009
It is presented the first occurrence of the late Pleistocene - Holocene mammals fossils in a gnamma-like deposit in the Baixa Grande municipality, Bahia State.
Ricardo da Costa Ribeiro   +1 more
doaj   +4 more sources

Postcranial remains of basal typotherian notoungulates from the Eocene of northwestern Argentina [PDF]

open access: yesActa Palaeontologica Polonica, 2020
Notoungulates represent the most taxonomically diverse and temporally and geographically widespread group among South American native ungulates. Here, we analyze anatomical and systematic aspects of proximal tarsal bones recovered from the Lower and ...
Matías A. Armella   +6 more
doaj   +4 more sources

Morphofunctional Spaces from the Astragalus: Exploring Angular Excursions and Mechanical Efficiency in Caraguatypotherium munozi (Notoungulata, Mesotheriidae) [PDF]

open access: yesBiology
The astragalus is a key biomechanical link between the autopodium and limb in mammals, modulating stability and mobility during stance. Its morphology provides reliable proxies for inferring posture, body mass, and locomotor behavior in extinct taxa ...
Paul Medina-González
doaj   +2 more sources

Ontogenetic variations and structural adjustments in mammals evolving prolonged to continuous dental growth [PDF]

open access: yesRoyal Society Open Science, 2017
Studying dental ontogeny in mammals can provide valuable insight on the evolution of their masticatory apparatus and their related adaptations. The multiple acquisitions of a prolonged to continuous growth of teeth in herbivorous mammals in response to ...
Helder Gomes Rodrigues   +4 more
doaj   +2 more sources

PROPACHYRUCOS ROBUSTUS ROTH, 1899 (NOTOUNGULATA, HEGETOTHERIIDAE) WRONGLY SYNONYMIZED WITH HEMIHEGETOTHERIUM CF. H. TANTILLUM VERA, 2019 [PDF]

open access: yesPublicación Electrónica de la Asociación Paleontológica Argentina, 2020
Nota nomenclatural en donde se rechaza la sinonimia propuesta entre Propachyrucos robustus Roth, 1899 y Hemihegetotherium cf. H. tantillum Vera, 2019. Se considera Propachyrucos robustus como un nomen dubium.Fil: Seoane, Federico Damián. Consejo Nacional
Federico Damián Seoane   +1 more
doaj   +3 more sources

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