Herman, A.B. and Spicer, R.A.
Cretaceous flora from the Kukpowruk River, Northwestern Alaska.
Palaeontological Journal(3) pp. 94–95.
Plant fossils from the Kukpowruk River sections compose two floral assemblages (taphofloras). The Kukpowruk taphoflora derived from the Kukpowruk Formation and the lower-middle part of the Corwin Formation consists of 53 species. Owing to its similarity to the Buor-kemuss flora of northeastern Russia, this taphoflora can be dated as the early (?) Albian-first half of the late Albian. The Corwin taphoflora of the upper part of the Corwin Formation comprises 23 species. The stratigraphic position of the plant-bearing beds and the close similarity of the Corwin taphoflora to the late Albian-Cenomanian floras of northeastern Russia suggest the late Albian-Cenomanian age of this taphoflora.
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