Phylogenetic convergence and multiple shell shape optima for gliding scallops (Bivalvia: Pectinidae).

Abstract excerpt

An important question in evolutionary biology is how often, and to what extent, do similar ecologies elicit distantly related taxa to evolve towards the same phenotype? In some scenarios, the repeated evolution of particular phenotypes may be expected, for instance when species are exposed to common selective forces that result from strong functional demands. In bivalved scallops (Pectinidae), some species...

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