Spore type 20

Citations total:
5
link From To Geolocation Author - title Year
original Carboniferous Poland Zerndt,J. Megaspores from the Polish Coal Basin. first Part. 1934
original Eocene Venezuela Norem,W.L. Pollen, spores, and other organic microfossils from the Eocene of Venezuela. 1955
original Late Neogene California Ingebrigtsen,D.M. Palynology and its application to the Pliocene series in the Los Angeles Basin. 1957
original Visean USSR(Ukrainian SSR) Ishchenko,A.M. et al. Megaspores of the Carboniferous age and their stratigraphic importance 1962
original Late Artinskian Congo Kar,R.K. et al. Palaeozoic sporae dispersae from Congo. 3. Layers of black shale of the Lukuga. 1967