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Abstract
A palynological study was conducted on surface samples from a measured section of the Eureka Sound Formation on Ellef Ringnes Island in the Canadian Arctic Islands. The microflora is of Maestrichtian age and compares with the microflora of the Ust‐Yenisey botanical‐geographical subprovince of Samoilovich in the western Siberian lowlands. A total of 57 taxa were recorded, 46 being pollen and spores and 11 microplankton. One new genus and 7 new species are proposed, and 8 new name combinations are suggested. The new genus and species is Clanculatus ignotus. The new species are Hamulatisporis impensus, Welwitschiapites incertissimus, Aquilapollenites saginatus, Fibulapollis triangularis, Azonia pulchella, Ovoidites arcticus, and Trithyrodinium ornatum.