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Nature 437, 1099-1102 (20 October 2005) | doi:10.1038/4371099a; Published online 19 October 2005
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Evolution: Along came a sea spider
Graham E. Budd1 & Maximilian J. Telford2
Abstract
An investigation of brain development in sea spiders provides hints about how the earliest arthropod head evolved. These observations are bound to provoke controversy in an already acrimonious field.
Obscure groups of animals have been making scientific waves lately1, and few are more obscure than the sea spiders, or pycnogonids. These marine, spider-like animals differ from other arthropods, such as the true spiders, crustaceans and insects, in many ways.
- Graham E. Budd is in the Department of Earth Sciences, University of Uppsala, Norbyvägen 22, Uppsala SE-752 36, Sweden.
Email: graham.budd@pal.uu.se - Maximilian J. Telford is in the Department of Biology, University College London, Gower Street, London WC1E 6BT, UK.
Email: m.telford@ucl.ac.uk
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MORE ARTICLES LIKE THIS
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NEWS AND VIEWS
Evolutionary biology Origin of the spider's headNature News and Views (01 Oct 1998)
Evolutionary biology Sum of the arthropod partsNature News and Views (13 Sep 2001)
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Homology of arthropod anterior appendages revealed by Hox gene expression in a sea spiderNature Letters to Editor (25 May 2006)
Neuroanatomy of sea spiders implies an appendicular origin of the protocerebral segmentNature Letters to Editor (20 Oct 2005)
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