Arctic fossils record evolutionary burst
A rich cache of microscopic fossils points to an evolutionary explosion of complex cells more than 800 million years ago and suggests an early appearance of animals.
Butterfield, N.J., and R.H. Rainbird. 1998. Diverse organic-welled fossils, including "possible dinoflagellates," from the early Neoproterozoic of arctic Canada. Geology 26(November):963.
Nicholas J. Butterfield
University of Cambridge
Department of Earth Sciences
Cambridge CB2 3EQ
Robert H. Rainbird
Geological Survey of Canada
601 Booth Street
Ottawa, Ontario K1A 0E8
From Science News, Vol. 154, No. 19, November 7, 1998, p.
Copyright Ó 1998 by Science Service.
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