Results 121 to 130 of about 881 (138)

A new genus and species and additional reports of the South American native ungulates Proterotheriidae (Mammalia, Litopterna) in the Late Miocene of Uruguay

Journal of South American Earth Sciences, 2020
Abstract An exhaustive comparative analysis of the recently found cranial, dental and postcranial remains, in the context of the South American native ungulates Proterotheriidae was conducted. A new genus and species of the Family Proterotheriidae, Pseudobrachytherium breve, is reported.
Andrea Corona, Ana Clara Badin, Daniel Perea   +2 more
exaly   +4 more sources

A new South American archaic ungulate and new insight for the early diversification of the South American native ungulates

Historical Biology
Fil: Kramarz, Alejandro Gustavo. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Parque Centenario.
Kramarz, Alejandro Gustavo, Bellosi, Eduardo Sergio, Bond, Mariano, Forasiepi, Analia Marta, Gaillard, Charlene, Krause, Javier Marcelo   +5 more
exaly   +4 more sources

Ancient proteins resolve the evolutionary history of Darwin’s South American ungulates [PDF]

Nature, 2015
No large group of recently extinct placental mammals remains as evolutionarily cryptic as the approximately 280 genera grouped as South American native ungulates'.
Frido Welker, Matthew J Collins, Selina Brace   +2 more
exaly   +4 more sources

Ancient collagen reveals evolutionary history of the endemic South American ‘ungulates’

Proceedings of the Royal Society B: Biological Sciences, 2015
Since the late eighteenth century, fossils of bizarre extinct creatures have been described from the Americas, revealing a previously unimagined chapter in the history of mammals.
Michael Buckley
exaly   +2 more sources

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Cotylar Fossa, Its Interpretation and Functionality. The Case from South American Native Ungulates

Ameghiniana, 2020
The cotylar fossa is a complex anatomical character in the astragalar medial malleolar facet. It represents a dynamic relationship between the astragalus and the tibia in the upper tarsal joint. The astragalus must accommodate the medial tibial malleolus when the tibia is in an extreme flexion.
Malena Lorente
exaly   +3 more sources

An Eocene Bunodont South American Native Ungulate (Didolodontidae) from the Lumbrera Formation, Salta Province, Argentina

Ameghiniana, 2019
The extinct South American native ungulates are widely known as a particular evolutionary experiment of mammalian herbivory. Among their representatives, forms with bunodont dentition have received little attention, being usually regarded as primitive and placed in the paraphyletic order “Condylarthra”.
Gelfo, Javier Nicolás, Alonso, Ricardo Narciso, Madden, Richard H., Carlini, Alfredo Armando   +3 more
openaire   +2 more sources

HIDDEN IN THE TROPICS: NEW TRENDS IN DIVERSITY AND BODY SIZE IN A CLADE OF SOUTH AMERICAN NATIVE UNGULATES (LITOPTERNA)

Geological Society of America Abstracts with Programs, 2019
Andrew J. McGrath, Federico Anaya, Darin A. Croft   +2 more
exaly   +2 more sources

Splendid Innovation: The Extinct South American Native Ungulates

Annual Review of Earth and Planetary Sciences, 2020
Darin A Croft, Javier N Gelfo, Guillermo M Lopez   +2 more
exaly  

The Neogene Record of Northern South American Native Ungulates

Smithsonian Contributions To Paleobiology, 2019
Juan D Carrillo, Eli Amson, CARLOS Jaramillo   +2 more
exaly  

Distributional patterns of living ungulates (Mammalia: Cetartiodactyla and Perissodactyla) of the Neotropical region, the South American transition zone and Andean region

Journal of South American Earth Sciences, 2016
Valeria Gallo, Leonardo S Avilla
exaly