>> I don't think early humans would have existed very long on seashells.
:-)

Not exclusively, no, but they may have played a much more important role
than commonly believed.

Check this very interesting paper for further info:

THE ORIGINAL ECONICHE OF THE GENUS HOMO:
OPEN PLAIN OR WATERSIDE?
Marc Verhaegen*,
Study Center for Anthropology,
Mechelbaan 338, 2580 Putte, Belgium
Stephen Munro,
School of Archaeology and Anthropology, Australian National University,
Canberra, ACT, 0200, Australia
Mario Vaneechoutte,
Laboratory for Bacteriology and Virology, Faculty of Medicine, University of
Ghent,
De Pintelaan 185, 9000 Gent, Belgium
Nicole Bender-Oser,
Institute for Social and Preventive Medicine, University of Bern,
Finkenhubelweg 11, 3012 Bern, Switzerland
Renato Bender
Clinic Selhofen,
Selhofenstrasse 31, 3122 Kehrsatz, Switzerland

 
 
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