Results 11 to 20 of about 881 (138)
The Neogene Record of Northern South American Native Ungulates [PDF]
Smithsonian Contributions to Paleobiology, 2018 South America was isolated during most of the Cenozoic, and it was home to an endemic fauna. The South American Native Ungulates (SANUs) exhibited high taxonomical, morphological, and ecological diversity and were widely distributed on the continent. However, most SANU fossil records come from high latitudes.
Carrillo, Juan D +7 more
openaire +3 more sources
Body mass estimation in
Journal of Zoology, 2012 AbstractSouth American native ungulates include extinct taxa that evolved within the geographical context given by the isolation of South America during most of the Cenozoic. The ungulates (orders Notoungulata, Litopterna and Astrapotheria) of the Santa Cruz Formation (late Early Miocene) are particularly interesting for paleobiological studies due to ...
Cassini, Guillermo Hernán +2 more
openaire +3 more sources
Systematics of the South American Native Ungulates and the Neogene Evolution of Mammals from Northern South America [PDF]
, 2018 South America was isolated from other continents during most of the Cenozoic and it was home of an endemic mammalian fauna. Among the most characteristic faunal elements are the South American native ungulates (SANUs), a group of ungulate-grade mammals that were widespread and highly diverse in the continent.
Carrillo Sánchez, Juan David
openaire +2 more sources
, 2023 Placentals are the most preeminent mammalian lineage today in terms of diversity and distribution over the world, having over 6000 recognised extant and recently extinct species. The timing for the origin and diversification of Placentalia, and its relationship with the Cretaceous-Palaeogene (K/Pg) mass extinction event, is one of the key questions in ...
Puschel, Hans P.
openaire +3 more sources
Journal of Quaternary ScienceABSTRACTKnowledge of bone pathologies in South American native ungulates is very scarce, which contrasts with other groups of megamammals such as xenarthrans and proboscideans. In this paper, based on morphological and histological analysis, we describe different bone pathologies in two specimens of Toxodon platensis Owen (Notoungulata), one of the ...
Carlos A. Luna +5 more
openaire +3 more sources
Cranial Morphology and Phylogenetic Relationships of Trigonostylops wortmani, an Eocene South American Native Ungulate [PDF]
Bulletin of the American Museum of Natural History, 2021 في عام 1933، وصف جورج ج. سيمبسون جمجمة كاملة بشكل ملحوظ من Trigonostylops، وهي ذوات الحوافر الأصلية في أمريكا الجنوبية في العصر الإيوسيني (SANU) التي كانت علاقاتها، في ذهنه، غير مؤكدة تمامًا. على الرغم من أن بعض السلطات، مثل فلورنتينو أميغينو وويليام ب. سكوت، اعتقدوا أنه يمكن تقديم حجة لاعتبار تريجونوستيلوبس بمثابة أسترابوثري، اتخذ سيمبسون موقفًا مختلفً
R. D. E. MacPhee +5 more
openaire +3 more sources
, 2021 Metatarsal-femur ratio (Mt:F) in extinct North American ungulates and South American native ungulates.
Malena Lorente (3297312) +1 more
core +1 more source
The pes of representative South American native ungulates.
, 2021 The pes of representative South American native ungulates.
Malena Lorente (3297312) +1 more
core +1 more source
The Phylogeny of the Native South American Ungulates
, 1993 Richard L. Cifelli
openaire +2 more sources
Journal of Mammalian Evolution, 2020 Inquiring into the paleoecology of extinct forms is always a challenge, particularly when the taxa under study correspond to derived ecomorphs of ancient and completely extinct clades. In this contribution, the configuration of the masticatory apparatus and associated features of the Neogene pachyrukhines Paedotherium and Tremacyllus are studied in a ...
Marcos D. Ercoli +4 more
openaire +5 more sources