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The pectoral fin of Tiktaalik roseae and the origin of the tetrapod limb
Wrists, ankles and digits distinguish tetrapod limbs from fins, but direct evidence on the origin of these features has been unavailable. Here we describe the pectoral appendage of a member of theExpand
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A Devonian tetrapod-like fish and the evolution of the tetrapod body plan
The relationship of limbed vertebrates (tetrapods) to lobe-finned fish (sarcopterygians) is well established, but the origin of major tetrapod features has remained obscure for lack of fossils thatExpand
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Three-dimensional preservation of foot movements in Triassic theropod dinosaurs
Dinosaur footprints have been used extensively as biostratigraphic markers, environmental indicators, measures of faunal diversity and evidence of group behaviour,. Trackways have also been used toExpand
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Scientific rotoscoping: a morphology-based method of 3-D motion analysis and visualization.
Three-dimensional skeletal movement is often impossible to accurately quantify from external markers. X-ray imaging more directly visualizes moving bones, but extracting 3-D kinematic data isExpand
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Modern Turtle Origins: The Oldest Known Cryptodire
The discovery of a turtle in the Early Jurassic(185 million years before present) Kayenta Formation of northeastern Arizona provides significant evidence about the origin of modern turtles. This newExpand
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MOLAR OCCLUSION IN LATE TRIASSIC MAMMALS
  • A. Crompton, F. Jenkins
  • Geology, Medicine
  • Biological reviews of the Cambridge Philosophical…
  • 1 November 1968
1. A new genus and species of late Triassic mammal, Megazostrodon rudnerae, from Lesotho in southern Africa is described. The molars are similar to those of the British Eozostrodon parvus except thatExpand
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Mandibular and dental characteristics of Late Triassic mammaliaform Haramiyavia and their ramifications for basal mammal evolution
Significance The origins and earliest evolution of mammals can be deciphered by studying Late Triassic fossil relatives of modern mammals. The computed tomography study of Haramiyavia from the LateExpand
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The functional anatomy of the shoulder of the savannah monitor lizard (Varanus exanthematicus)
The excursions of the scapulocoracoid and forelimb and the activity of 18 shoulder muscles were studied by simultaneous cineradiography and electromyography in Savannah Monitor lizards (VaranusExpand
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Mesozoic Mammals from Arizona: New Evidence on Mammalian Evolution
Knowledge of early mammalian evolution has been based on Old World Late Triassic-Early Jurassic faunas. The discovery of mammalian fossils of approximately equivalent age in the Kayenta Formation ofExpand
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The functional anatomy of the shoulder in the European starling (Sturnus vulgaris)
The excursions of wing elements and the activity of eleven shoulder muscles were studied by cineradiography and electromyography in European starlings (Sturnus vulgaris) flying in a wind tunnel atExpand
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