Littorina littorea: An Indicator of Norse Settlement in North America?

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Science  19 Jul 1963:
Vol. 141, Issue 3577, pp. 275-276
DOI: 10.1126/science.141.3577.275


It is suggested that the originally European species Littorina littorea was introduced to North Ameriea by Norse settlers about A.D. 1000. Its subfossil distribution might be used in tracing the extent of Norse travel in this region. Recent archeological finds match very well with the historical records of the Norse exploration and settlements. This activity seems to have been concentrated in Nova Scotia and Newfoundland.