Spore type U

Citations total:
2
link From To Geolocation Author - title Year
original Tertiary India(Assam) Sen,J. Microfossils of Assam Coal-Fields-I. The Coal Seam at Laitryngew and the age of the Cherra Sandstone. 1948
original Early Chesterian Middle Chesterian Oklahoma Harris,R.W. Palynology of the Sand Branch Member of the Caney Shale Formation, (Mississippian), of Southern Oklahoma. 1971