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Conservation and Evolution
  • 1,433
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Mazon Creek Fossils
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The nature of Radiocyathidsand their relationship to Receptaculitids and Archaeocyathids
Abstract The morphological analysis of the structural plan of the Radiocyathids skeleton implies a closer relationship to Receptaculitids than to Archaeocyathids. As a working hypothesis, they mayExpand
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Evolution of Animal Behavior. Paleontological and Field Approaches
INTRODUCTION Jennifer A Kitchell & Matthew H Nitecki: Evolution and behaviour HISTORICAL APPROACHES TO THE EVOLUTION OF BEHAVIOUR: George V Lauder: Homology, analogy, and the evolution of behaviourExpand
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Receptaculitids and algae
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Chesterian (Upper Mississippian) Gastropoda of the Illinois basin
Chester gastropods from southern Illinois, eastern Missouri, and north-western Kentucky are described. The method used in discriminating the immature from adult individuals is explained. Fifty-threeExpand
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MAZON CREEK FAUNA AND FLORA–A HUNDRED YEARS OF INVESTIGATION
The unusual state of preservation of the Mazon Creek biota provides a unique record of anatomy of soft parts of organisms otherwise rarely preserved. This biota is divided into the marine Essex andExpand
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