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Nature 427, 205-207 (15 January 2004) | doi:10.1038/427205a
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Palaeontology: Lost children of the Cambrian
Graham E. Budd1
Abstract
The initial flowering of animal life on Earth occurred during the Cambrian, some 540–490 million years ago. Fossil embryos from that time can provide clues about the origins of the major animal groups.
When ancient fossil 'trilobite embryos' were reported1 from China in 1994, the reaction was largely sceptical. After all, biologists had been lamenting (or crowing) for years that fossil embryos could never be found.
- Graham E. Budd is in the Department of Earth Sciences, Palaeobiology, Norbyvägen 22, University of Uppsala, Uppsala 752 36, Sweden.
Email: graham.budd@pal.uu.se
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RESEARCH
Synchrotron X-ray tomographic microscopy of fossil embryosNature Letters to Editor (10 Aug 2006)
Fossil embryos from the Middle and Late Cambrian period of Hunan, south ChinaNature Letters to Editor (15 Jan 2004)
