Tippecanoe Sequence  search
BTChronostratigraphic Units
 .Phanerozoic
 ..Paleozoic
 ...Tippecanoe Sequence
RTSilurian
 Middle Ordovician
 Upper Ordovician
 Lower Devonian
 United States
 Illinois Basin
 Midwest
SNMiddle Ordovician through Lower Devonian. Illinois Basin, central United States. Indexed with age or ages as applicable. Added to Thesaurus in 1995.