"occurrenceID","IRN","Institution Code","Collection Code","Catalog Number","Taxonomic Name","Object Kind","Collector","DwC Locality","Country","State/Province","Latitude","Longitude","Lowest Biostratigraphic Zone","Earliest Period","Latest Period","Formation","Earliest Age" "a4f2da24-fbcc-49dc-b8d9-cc6aa04cfe44","3640475","FMNH","Fossil Invertebrates","PE 61354","Tremanotus chicagoensis","","","Thornton","United States of America","Illinois","41.5713","-87.6217","","Silurian","Silurian","","Niagaran"