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Eighty-six percent of the Australian vertebrate genera whose members weighed more than 40 kilograms became extinct.

During the Ice Age the fell by several hundred feet, making the strait into a land bridge between Asia and North America, over which a considerable migration of plants and animals, as well as man, occurred.There is also mammal fauna of Villafranchian type associated with the tools.SYNONYMS OR RELATED TERMS: zooarchaeology CATEGORY: branch DEFINITION: The study of animal remains, especially bones, from archaeological contexts, including the identification and analysis of faunal species as an aid to reconstructing human diets, determining the impact of animals on past economies, and in understanding the environment at the time of deposition.CATEGORY: site DEFINITION: A site in Algeria which offers some of the earliest evidence of human occupation in northern Africa.Stone tools, including choppers and multi-faceted spheroids, dated to 1-1.5 million years ago.with sites of the Lapita cultural complex and Pleistocene rock shelters.Occupation goes back more than 30,000 years and obsidian was brought there 20,000 years ago.There are upper layers with large bifaces and sidescrapers of the Acheulian, associated with Middle Pleistocene fauna.A Middle Palaeolithic / Late Pleistocene assemblage contains a Merck's rhinoceros and CATEGORY: site DEFINITION: The present-day floor of the Chukchi and Bering Seas, which emerged as dry land during Late Pleistocene glacial advances.SYNONYMS OR RELATED TERMS: mega-fauna CATEGORY: fauna DEFINITION: The large, Ice Age big-game fauna in North America, now extinct.These Late Pleistocene food sources included mammoths, mastodon; giant bison, sloths, camels, and diprotodons.

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