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ENTOMOFAUNA OF THE KURIL
ISLANDS

Figure 66. Changes in the outlines of Hokkaido over the course of the tertiary and quaternary periods. (According to The Geological Development of the Japanese Islands, 1968.)
1 - late Eocene; 2 - Oligocene; 3 - early Miocene; 4 - late Miocene; 5 - early Pliocene; 6 - Pliopleistocene; 7 - early Pleistocene; 8 - end of Pleistocene; 9 - early Holocene.
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Copyright © University of Washington Fish Collection. This webpage last updated: 10 March 1999.