Operculites

Citations total:
3
link From To Geolocation Author - title Year
original Campanian Maastrichtian Colorado Newman,K.R. Upper Cretaceous-Paleocene guide palynomorphs from Northwestern Colorado. 1965
details Oligocene Early Miocene Washington Newman,K.R. Palynology of interflow sediments from the Standard Oil Company of Caltfornia Rattlesnake Hills No.1 Well, Benton County, Washington. 1969
details Maastrichtian Canada(Alberta) Srivastava,S.K. Genus Sigmopollis from the Maestrichtian Scollard Formation, Alberta, (Canada), and its algal affinity. 1984