Early Mesozoic Continental Tetrapod Diversification and     Extinction in Eastern N. America
{'Code': '08010207', 'Directorate': {'Abbreviation': 'BIO', 'LongName': 'Direct For Biological Sciences'}, 'Division': {'Abbreviation': 'DEB', 'LongName': 'Division Of Environmental Biology'}}
{'SignBlockName': 'James E. Rodman', 'PO_EMAI': None, 'PO_PHON': None}
Resolution of the causes and extent of faunal turnover in               the past has been complicated by the absence of fossil beds that                document such changes over fine time scales.  This proposed work                will examine temporal change in taxonomic diversification of                    tetrapods in Late Triassic and Early Jurassic strata of the                     Newark Supergroup of eastern North America at 20,000-year                       intervals.  By examining three temporally equivalent sets of beds               whose fossils occupied different habitats, the principal                        investigator will document diversification at relatively fine                   levels and test whether declines of potentially competing non-                  dinosaurian clades were required for expansion of dinosaur                      groups.  The entire study is intended to provide a basis for                    global comparisons.
{'FirstName': 'Paul', 'LastName': 'Olsen', 'PI_MID_INIT': 'E', 'PI_SUFX_NAME': None, 'PI_FULL_NAME': 'Paul E Olsen', 'EmailAddress': 'polsen@ldeo.columbia.edu', 'NSF_ID': '000193039', 'StartDate': '03/01/1988', 'EndDate': None, 'RoleCode': 'Principal Investigator'}
{'Name': 'Columbia University', 'CityName': 'NEW YORK', 'ZipCode': '100277922', 'PhoneNumber': '2128546851', 'StreetAddress': '615 W 131ST ST', 'StreetAddress2': 'MC 8741', 'CountryName': 'United States', 'StateName': 'New York', 'StateCode': 'NY', 'CONGRESSDISTRICT': '13', 'CONGRESS_DISTRICT_ORG': 'NY13', 'ORG_UEI_NUM': 'F4N1QNPB95M4', 'ORG_LGL_BUS_NAME': 'THE TRUSTEES OF COLUMBIA UNIVERSITY IN THE CITY OF NEW YORK', 'ORG_PRNT_UEI_NUM': None}
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{'Code': '1127', 'Text': 'Evolutionary Processes'}
{'url': 'https://www.nsf.gov/awardsearch/download?DownloadFileName=1987&All=true', 'xml': '8717707.xml'}