Variation of shell shape in the clonal snail Melanoides tuberculata and its consequences for the interpretation of fossil series.

Abstract excerpt

Interpreting paleontological data is difficult because the genetic nature of observed morphological variation is generally unknown. Indeed, it is hardly possible to distinguish among several sources of morphological variation including phenotypic plasticity, sexual dimorphism, within-species genetic variation or differences among species. This can be addressed using fossil organisms with recent representatives....

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