Citations total:
link From To Geolocation Author - title Year
details Autunian France Doubinger,J. Palynological characters of the Stephanian and the Autunian. 1962
details Middle Jurassic USSR(Irkutskaya Oblast) Gutova,L.N. et al. Vegetation of Early and Middle Jurassic Epochs of the Irkutsk Coal Basin. 1969
details Mesozoic Nd Frederiksen,N.O. Significance of monosulcate pollen abundance in Mesozoic sediments. 1980