Improvements in the fossil record may largely resolve current conflicts between morphological and molecular estimates of mammal phylogeny [PDF]
, 2018 Phylogenies of mammals based on morphological data continue to show several major areas of conflict with the current consensus view of their relationships, which is based largely on molecular data.
Billet G +9 more
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Morphometry of paleocaves at the Chapadmalal "Formation" assigned to fossorial rodent Actenomys sp. (Rodentia, Caviomorpha), Paedotherium (Notoungulata), and to other fossil mammals [PDF]
, 2011 En la “Formación” Chapadmalal, aflorante en las barrancas que se extienden desde Mar del Plata a Miramar, se diferencian paleocuevas que han sido asignadas al roedor fósil Actenomys sp. (Rodentia, Caviomorpha).
de Santi, Luciano Jose Maria +2 more
core
Structural variation of the masseter muscle in Typotheria (Mammalia, Notoungulata)
, 2017 The great morphologic diversity of the order Notoungulata is evident in remarkable traits, such as the body size, and this group includes from small, rodent size animals (e.g., Punapithecus) to forms exceeding 1000 kg in weight (e.g., Trigodon). Moreover, several cases of convergence with other placentals are known within the group, with rodent-like ...
SOSA, Luis Marcelo +1 more
openaire +2 more sources
Vertebrados del mioceno de la provincia de Entre Ríos, Argentina [PDF]
, 2000 La diversa fauna de antiguos vertebrados que se registra en los acantilados que bordean la margen oriental del río Paraná cerca de la ciudad de Paraná, provincia de Entre Ríos, Argentina se conoce científicamente desde la primera mitad del siglo XIX.
Azpelicueta, María de las Mercedes +14 more
core
Microvertebrates preserved in mammal burrows from the Holocene of the Argentine Pampas: a taphonomic and paleoecological approach [PDF]
, 2016 Microvertebrates are a major component of many assemblages recovered from the Quaternary of the Argentine Pampas. The main goal of this paper is to analyse the taphonomic history of a Holocene microfossil bonebed, recovered from the infilling of a burrow.
Agustín Ruella +40 more
core +3 more sources
Decoupling the Spread of Grasslands from the Evolution of Grazer-type Herbivores in South America [PDF]
, 2013 The evolution of high-crowned cheek teeth (hypsodonty) in herbivorous mammals during the late Cenozoic is classically regarded as an adaptive response to the near-global spread of grass-dominated habitats.
Carlini, Alfredo A. +4 more
core +3 more sources
Archaeogaia macachaae gen. et sp. nov., one of the oldest Notoungulata Roth, 1903 from the early-middle Paleocene Mealla Formation (Central Andes, Argentina) with insights into the Paleocene-Eocene south American biochronology [PDF]
, 2020 In this contribution, we report the discovery of Archaeogaia macachaae gen. et sp. nov., one of the oldest notoungulate recovered from the upper section of Mealla Formation in the Tonco Valley (Northwestern Argentina, Salta Province).
Arnal, Michelle +6 more
core +1 more source
Extinção e o Registro Fóssil [PDF]
, 2007 The extinctions and their relationships with the biological evolution allow the changes in the biota patterns through the geological time. In this study is presented a synthesis of the extinction events registered in the paleontological data and their ...
Ibsen de Gusmão Câmara
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Geometric morphometric analysis as a proxy to evaluate age-related change in molar shape variation of low-crowned Notoungulata (Mammalia) [PDF]
, 2020 Shape and age variation in dentition of Paleogene extinct native South American ungulates (Notoungulata) has been traditionally described using qualitative and quantitative approaches, and has played a controversial role in the systematics of several ...
Scarano, Alejo Carlos +1 more
core +1 more source
Neues Jahrbuch für Geologie und Paläontologie - Abhandlungen, 2008 Fil: López, Guillermo Marcos.
López, Guillermo Marcos +1 more
openaire +2 more sources