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The Placental Mammal Ancestor and the Post–K-Pg Radiation of Placentals
Let There Be Mammals The timing of the evolution and radiation of placental mammals and their most recent common ancestor has long been debated, with many questions surrounding the relationships ofExpand
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The primate semicircular canal system and locomotion
The semicircular canal system of vertebrates helps coordinate body movements, including stabilization of gaze during locomotion. Quantitative phylogenetically informed analysis of the radius ofExpand
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New Paleocene skeletons and the relationship of plesiadapiforms to crown-clade primates
Plesiadapiforms are central to studies of the origin and evolution of primates and other euarchontan mammals (tree shrews and flying lemurs). We report results from a comprehensive cladistic analysisExpand
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Semicircular canal system in early primates.
Mammals with more rapid and agile locomotion have larger semicircular canals relative to body mass than species that move more slowly. Measurements of semicircular canals in extant mammals with knownExpand
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The semicircular canal system and locomotion: The case of extinct lemuroids and lorisoids
Paleontologists reconstruct the locomotor and postural behavior of extinct species by analogy with living forms and biomechanical analyses. In rare cases, behavioral evidence such as footprints canExpand
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Evolution of pedal grasping in Primates.
a Department of Anthropology, Yale University; Division of Vertebrate Zoology, Peabody Museum of Natural History, USA b Department of Anatomical Science, Stony Brook University, Stony Brook, NYExpand
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Virtual endocast of Ignacius graybullianus (Paromomyidae, Primates) and brain evolution in early primates
Extant primates are distinctive among mammals in having relatively large brains. As stem primates, Paleogene plesiadapiforms provide direct information relevant to the earliest stages in theExpand
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1 Primate Origins and Supraordinal Relationships: Morphological Evidence
There are five major scenarios that have been advanced to account for the early events in the origination of the order Primates: a transition from terrestriality to arboreality, the adoption of aExpand
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