References & Sources  - October 17, 1998

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Questions raised about oldest animal

Scientists dispute whether tracks that look like fossilized worm traces push back the origin of animals.

 

References:

Brasier, M. 1998. Animal evolution: From deep time to late arrivals. Nature 395(Oct. 8):547.

Seilacher, A., P.K. Bose, and F. Pflüger. 1998. Triploblastic animals more than 1 billion years ago: Trace fossil evidence from India. Science 282(Oct. 2):80.

 

Further Readings:

Brasier, M.D., and D. McIlroy. 1997. Neonereites uniserialis from c. 600 Ma year old rocks in western Scotland and the emergence of animals. Journal of the Geological Society, London 155:5.

Monastersky, R. 1997. The search for the oldest animals. Science News 152(Nov. 1):287.

 

Sources:

Samuel A. Bowring
Massachusetts Institute of Technology
Department of Earth Atmosphere and Planet Science
Building 54 1124
Cambridge, MA 02139

Martin D. Brasier
Oxford University
Department of Earth Sciences
Parks Road, Oxford
United Kingdom

Adolf Seilacher
University of Tübingen
Geologisch-Paläontologisches Institut der Universität
72076 Tübingen
Germany

From Science News, Vol. 154, No. 16, October 17, 1998, p. 255.
Copyright Ó 1998 by Science Service.

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