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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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RECENT ADVANCES IN THE ORIGIN AND EARLY RADIATION OF VERTEBRATES
“Recent Advances in the Origin and Early Radiation of Vertebrates” honors Dr. Hans-Peter Schultze for his influential body of work on lower vertebrates spanning the past 40 years, and counting. TheExpand
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A Devonian Tetrapod from North America
An early tetrapod fossil from the Upper Devonian of Pennsylvania (Catskill Formation) extends the temporal range of tetrapods in North America and suggests that they attained a virtually globalExpand
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The Early Evolution of the Tetrapod Humerus
A tetrapod humerus from the Late Devonian of Pennsylvania has a novel mix of primitive and derived characters. A comparative analysis of this fossil and other relevant humeri from the Devonian showsExpand
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VARIATION WITHIN A LARGE SAMPLE OF AGELEODUS PECTINATUS TEETH (CHONDRICHTHYES) FROM THE LATE DEVONIAN OF PENNSYLVANIA, U.S.A
The monospecific genus Ageleodus is a primitive chondrichthyan known exclusively from isolated Late Devonian and Carboniferous teeth. Due in part to the paucity of material, dental variation inExpand
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Pelvic girdle and fin of Tiktaalik roseae
Significance The earliest tetrapods have robust limbs, particularly hind limbs that are enlarged and supported by a number of modifications to the pelvic girdle. In contrast, the closest relatives ofExpand
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EARLY TETRAPOD JAWS FROM THE LATE DEVONIAN OF PENNSYLVANIA, USA
Abstract Recent paleontological fieldwork in the Upper Devonian Catskill Formation at Red Hill in Clinton County, Pennsylvania, USA, has produced a diverse assemblage of vertebrate fossils includingExpand
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Groenlandaspidid placoderm fishes from the Late Devonian of North America
Two new taxa of groenlandaspidid fish (Placodermi: Arthrodira) from non-marine deposits of the Catskill Formation (Upper Devonian) at Red Hill, Clinton County, Pennsylvania, USA, are the first to beExpand
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THE LATE DEVONIAN LUNGFISH SOEDERBERGHIA (SARCOPTERYGII, DIPNOI) FROM AUSTRALIA AND NORTH AMERICA, AND ITS BIOGEOGRAPHICAL IMPLICATIONS
Abstract A new species of rhynchodipterid lungfish, Soederberghia simpsoni, sp. nov., is described on the basis of a complete skull roof, and an incomplete but articulated head plus body, from theExpand
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