Results 1 to 10 of about 124 (90)
En este estudio se describen dos nuevos cráneos referidos a Hippidion principale (Lund) y varios elementos del esqueleto apendicular referidos a H. devillei procedentes de dos localidades clásicas de la provincia de Buenos Aires, las márgenes de los ...
Maria TERESA Alberdi +2 more
exaly +11 more sources
Se describen y sitúan taxonómicamente los restos de équidos de las localidades chilenas. Se identifican distintas especies de Equus (Amerhippus) e Hippidion, señalando su distribución geográfica y relaciones con otros équidos sudamericanos, además de ...
Maria TERESA Alberdi
exaly +7 more sources
Hippidion Owen 1869 (Mammalia, Perissodactyla) en sedimentos del pleistoceno tardío de la localidad Barro Negro (Jujuy, Argentina) [PDF]
El presente estudio comprende los hallazgos realizados en la localidad de Barro Negro (Humahuaca, Jujuy, Argentina). Incluye una descripción y comentarios de los rasgos sobresalientes del material, así como aspectos estratigráficos y cronológicos ...
Maria TERESA Alberdi, J L Prado
exaly +7 more sources
El registro más antiguo de Hippidion Owen, 1869 (Mammalia, Perissodactyla) en América del Sur
Se confirma la presencia de Hippidion devillei en la localidad de Esquina Blanca (Jujuy, Argentina) y se sitúa, a partir de los datos paleomagnéticos, en una edad cercana al límite Matuyama/Gauss.
Maria TERESA Alberdi, J L Prado
exaly +6 more sources
Presentamos un nuevo registro de Hippidion saldiasi con datación radiocarbónica directa correspondiente al Holoceno temprano de Patagonia (8.850 ± 80 años C-14 AP). Su particular ubicación temporal y geográfica en una zona poco estudiada hasta ahora y su
Maria TERESA Alberdi, J L Prado
exaly +7 more sources
Mitochondrial genomes reveal the extinct Hippidion as an outgroup to all living equids [PDF]
Hippidions were equids with very distinctive anatomical features. They lived in South America 2.5 million years ago (Ma) until their extinction approximately 10 000 years ago. The evolutionary origin of the three known Hippidion morphospecies is still disputed. Based on palaeontological data, Hippidion
Julia Vilstrup +2 more
exaly +9 more sources
Evolution, systematics, and phylogeography of pleistocene horses in the new world: a molecular perspective. [PDF]
The rich fossil record of horses has made them a classic example of evolutionary processes. However, while the overall picture of equid evolution is well known, the details are surprisingly poorly understood, especially for the later Pliocene and ...
Jaco Weinstock +14 more
doaj +3 more sources
Ancient feeding ecology inferred from stable isotopic evidence from fossil horses in South America over the past 3 Ma [PDF]
Background Stable isotope ratios (13C/12C and 18O/16O) in fossil teeth and bone provide key archives for understanding the ecology of extinct horses during the Plio-Pleistocene in South America; however, what happened in areas of sympatry between Equus ...
Alberdi María T +2 more
doaj +2 more sources
At the end of the Pleistocene, South America witnessed the loss of an 83% of all megafaunal genera that inhabited the continent at that time. Among the taxa that disappeared were all the representatives of the Equidae family, including several species of
Pablo Marquet, Marquet Pablo A
exaly +3 more sources
Nova Ocorrência de Mamíferos do Quaternário nos Tanques de Taperoá (Paraíba) e Alagoinha (Pernambuco), Nordeste do Brasil: Implicações Paleoambientais [PDF]
Este trabalho reporta novas ocorrências de mamíferos da Megafauna do Quaternário nos sítios paleontológicos de Campo Alegre (município de Taperoá, estado da Paraíba) e Lage Grande (município de Alagoinha, estado de Pernambuco), Nordeste do Brasil.
Hermínio Ismael de Araújo-Júnior +3 more
doaj +1 more source

