Climate Change, Genetics or Human Choice: Why Were the Shells of Mankind's Earliest Ornament Larger in the Pleistocene Than in the Holocene?

• Peter R. Teske ,

  *To whom correspondence should be addressed. E-mail: P.Teske@ru.ac.za

  Affiliation Molecular Ecology and Systematics Group, Department of Botany, Rhodes University, Grahamstown, South Africa

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• Isabelle Papadopoulos,

  Affiliation Molecular Ecology and Systematics Group, Department of Botany, Rhodes University, Grahamstown, South Africa

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• Christopher D. McQuaid,

  Affiliation Department of Zoology and Entomology, Rhodes University, Grahamstown, South Africa

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• Brent K. Newman,

  Affiliation Coastal and Marine Pollution, Natural Resources and the Environment, The Council for Scientific and Industrial Research, Congella, Durban, South Africa

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• Nigel P. Barker

  Affiliation Molecular Ecology and Systematics Group, Department of Botany, Rhodes University, Grahamstown, South Africa

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