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Abstract— Several prominent cladists have questioned the importance of fossils in phylogenctic inference, and it is becoming increasingly popular to simply fit extinct forms, if they are consideredExpand
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Definition, diagnosis, and origin of Mammalia
ABSTRACT Mammalia is defined by its ancestry as the taxon originating with the most recent common ancestor of extant Monotremata and Theria. To diagnose Mammalia as so defined, 176 characterExpand
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Characterization of an avian influenza A (H5N1) virus isolated from a child with a fatal respiratory illness.
An avian H5N1 influenza A virus (A/Hong Kong/156/97) was isolated from a tracheal aspirate obtained from a 3-year-old child in Hong Kong with a fatal illness consistent with influenza. SerologicExpand
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Neuroanatomy of flying reptiles and implications for flight, posture and behaviour
Comparison of birds and pterosaurs, the two archosaurian flyers, sheds light on adaptation to an aerial lifestyle. The neurological basis of control holds particular interest in that flight demandsExpand
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The Campanian Terlingua local fauna, with a summary of other vertebrates from the Aguja Formation, Trans-Pecos Texas
ABSTRACT The Terlingua local fauna is a rich assemblage of predominantly terrestrial micro vertebrates from the Upper Cretaceous Aguja Formation of Trans-Pecos Texas. Marine invertebrates (whichExpand
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Description of a Cranial Endocast from the Fossil Mammal Vincelestes neuquenianus (Theriiformes) and its Relevance to the Evolution of Endocranial Characters in Therians
We generated a digital cranial endocast (infilling of the braincase) of Vincelestes neuquenianus, a Cretaceous theriiform mammal from Argentina, to achieve two goals. First, we described thisExpand
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Phylogenetic Systematics and the Early History of Mammals
Numerous recent authors have used phylogenetic systematics to study mammalian evolution. As a result, there have been many fundamental changes in our view of early mammalian history compared with theExpand
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Morphology and Variation within the Bony Labyrinth of Zhelestids (Mammalia, Eutheria) and Other Therian Mammals
ABSTRACT The morphology of the labyrinth of zhelestids, a group of eutherian mammals from the Late Cretaceous, agrees with that of other extinct eutherians, including Kulbeckia kulbecke,Expand
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Reassessment of the Morphology and Paleobiology of the Therocephalian Tetracynodon Darti (Therapsida), And The Phylogenetic Relationships of Baurioidea
ABSTRACT Several new specimens of the Triassic therocephalian Tetracynodon darti have become available in recent years, allowing substantial corrections and expansions to previous descriptions. WeExpand
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Structure and function of the horn shark (Heterodontus francisci) cranium through ontogeny: Development of a hard prey specialist
The horn sharks (Heterodontidae: Chondrichthyes) represent one of four independent evolutions of durophagy in the cartilaginous fishes. We used high‐resolution computed tomography (CT scanning) toExpand
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