Gravisporites densus

Citations total:
2
link From To Geolocation Author - title Year
original Allegheny Pennsylvania Habib,D. Distribution of spore and pollen assemblages in the Lower Kittanning Coal of Western Pennsylvania 1966
details Middle Pennsylvanian West Virginia Kosanke,R.M. Palynology of selected Coal Beds in the proposed Pennsylvanian system stratotype in West Virginia 1984