Reports

Polymorphism in Pleistocene Land Snails

Science  01 Apr 1966:
Vol. 152, Issue 3718, pp. 71-72
DOI: 10.1126/science.152.3718.71

Abstract

Under suitable conditions the colors and patterns of the shells of land snails may be preserved for thousands of years. In a late Pleistocene population of Limicolaria martensiana all the major color forms that occur in modern living snails may be distinguished, and the basic polymorphism is at least 8,000 to 10,000 year old.

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