Fagaceae in the Eocene Palynoflora of the South of Primorskii Region: New Data on Taxonomy and Morphologyстатья
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Аннотация:Dispersed fossil pollen grains of Fagaceae from the Eocene sediments of the south of PrimorskiiRegion have been analyzed using a scanning electron microscope. Fourteen types of Fagaceae pollen wereidentified: one of them represented the extinct genus Eotrigonobalanus, four were assigned to the subfamilyCastaneoideae, two to the genus Fagus, and seven to the genus Quercus; four of the latter were produced bydeciduous oaks (Quercus), one, by evergreen oaks (Cyclobalanoides), and two, by evergreen sclerophyllousoaks (Heterobalanus). The presence of pollen of the extinct genus Eotrigonobalanus in the study region wasdemonstrated for the first time. The data obtained are indicative of considerable diversity of the family Fagaceaein the Eocene of Primorskii Region.