Results 1 to 10 of about 321 (77)

Presencia de Arctotherium (Carnivora, Ursidae, Tremarctinae) en un nivel pre-cultural de cueva Baño Nuevo-1 (Patagonia Central, Chile)

Estudios Geologicos, 2015
Se presenta la descripción de un I3 asignado a Arctotherium sp. proveniente del sitio Baño Nuevo-1 (Patagonia Central, Chile). El hallazgo fue realizado en la Capa 5 y está asociado a restos de Macrauchenia sp., Lama guanicoe, Felidae, Camelidae, Equidae
P. López Mendoza, F. Mena Larraín, E. Bostelmann   +2 more
doaj   +7 more sources

Carnivoran fossils from the Pampean region (Argentina): Santiago Roth collections in Switzerland [PDF]

Swiss Journal of Palaeontology, 2023
Santiago Roth (1850–1924) was a naturalist that collected and sold fossils from the Pampean region (Argentina) in Europe. Much of the specimens collected by Roth are hosted at the Paläontologisches Institut und Museum, Universität Zürich and Muséun D ...
Damián Ruiz-Ramoni, Jorge D. Carrillo‑Briceno, Damian Voglino, Francisco Juan Prevosti   +3 more
doaj   +2 more sources

South American giant short-faced bear (Arctotherium angustidens) diet: evidence from pathology, morphology, stable isotopes, and biomechanics [PDF]

Journal of Paleontology, 2014
Arctotherium angustidensGervais and Ameghino, 1880 (the South American giant short-faced bear) is known for being the earliest (Ensenadan Age, early to middle Pleistocene) and largest (body mass over 1 ton) of five describedArctotheriumspecies endemic to South America. Here we assess the diet of this bear from multiple proxies: morphology, biomechanics,
Soibelzon, Leopoldo Héctor, Grinspan, Gustavo A., Bocherens, Hervé, Acosta, Walter G., Jones, Washington, Blanco, Ernesto R., Prevosti, Francisco   +6 more
openaire   +6 more sources

First report of a South American short-faced bears' den (Arctotherium angustidens): palaeobiological and palaeoecological implications [PDF]

Alcheringa: An Australasian Journal of Palaeontology, 2009
Here we report the first example of associated short-faced bear fossils from South America. The specimens represent three individuals referable to the Ensenadan (early to middle Pleistocene) species Arctotherium angustidens (Ursidae, Tremarctinae), the giant South American short-faced bear.
Soibelzon, Leopoldo Héctor, Pomi, Lucas Horacio, Tonni, Eduardo Pedro, Rodríguez, Sergio G., Dondas, Alejandro   +4 more
core   +9 more sources

Synergistic roles of climate warming and human occupation in Patagonian megafaunal extinctions during the Last Deglaciation. [PDF]

Sci Adv, 2016
The causes of Late Pleistocene megafaunal extinctions (60,000 to 11,650 years ago, hereafter 60 to 11.65 ka) remain contentious, with major phases coinciding with both human arrival and climate change around the world.
Metcalf JL, Turney C, Barnett R, Martin F, Bray SC, Vilstrup JT, Orlando L, Salas-Gismondi R, Loponte D, Medina M, De Nigris M, Civalero T, Fernández PM, Gasco A, Duran V, Seymour KL, Otaola C, Gil A, Paunero R, Prevosti FJ, Bradshaw CJ, Wheeler JC, Borrero L, Austin JJ, Cooper A.   +24 more
europepmc   +9 more sources

Evidence of strong stabilizing effects on the evolution of boreoeutherian (Mammalia) dental proportions. [PDF]

Ecol Evol, 2019
The dentition is an extremely important organ in mammals with variation in timing and sequence of eruption, crown morphology, and tooth size enabling a range of behavioral, dietary, and functional adaptations across the class.
Monson TA, Boisserie JR, Brasil MF, Clay SM, Dvoretzky R, Ravindramurthy S, Schmitt CA, Souron A, Takenaka R, Ungar PS, Yoo S, Zhou M, Zuercher ME, Hlusko LJ.   +13 more
europepmc   +8 more sources

The largest known bear,Arctotherium angustidens, from the early Pleistocene Pampean region of Argentina: with a discussion of size and diet trends in bears [PDF]

Journal of Paleontology, 2011
The South American giant short-faced bear(Arctotherium angustidensGervais and Ameghino, 1880) is one of five describedArctotheriumspecies endemic to South America and it is known for being the earliest, largest, and most carnivorous member of the genus. Here we report an extraordinarily largeA.
Schubert, Blaine W., Soibelzon, Leopoldo Héctor   +1 more
openaire   +7 more sources

Phylogenetic signal analysis in the basicranium of Ursidae (Carnivora, Mammalia). [PDF]

PeerJ, 2019
Ursidae is a monophyletic group comprised of three subfamilies: Tremarctinae, Ursinae and Ailuropodinae, all of which have a rich geographical distribution.
Arnaudo ME, Toledo N, Soibelzon L, Bona P.   +3 more
europepmc   +5 more sources

Anatomical study of the auditory region of Arctotherium tarijense (Ursidae, Tremarctinae), an extinct short‐faced bear from the Pleistocene of South America [PDF]

Journal of Anatomy, 2016
AbstractHere we present the most detailed morphological study of the auditory region of a tremarctinae bear, Arctotherium tarijense Ameghino. In addition, we provide new anatomical information of the Tremarctinae inner ear, such as coplanarity and deviation from orthogonality of the semicircular canals, as an approach to infer the head movements which ...
Arnaudo, Maria Eugenia, Bona, Paula, Soibelzon, Leopoldo Hector, Schubert, Blaine W.   +3 more
openaire   +4 more sources

Late Pleistocene carnivores (Carnivora: Mammalia) from a cave sedimentary deposit in northern Brazil

Anais da Academia Brasileira de Ciências, 2014
The Brazilian Quaternary terrestrial Carnivora are represented by the following families: Canidae, Felidae, Ursidae, Procyonidae Mephitidae and Mustelidae. Their recent evolutionary history in South America is associated with the uplift of the Panamanian
SHIRLLEY RODRIGUES, LEONARDO S. AVILLA, LEOPOLDO H. SOIBELZON, CAMILA BERNARDES   +3 more
doaj   +1 more source