Patterns of speciation inferred from mitochondrial DNA in North American Chthamalus (Cirripedia: Balanomorpha: Chthamaloidea).

Abstract excerpt

Chthamalus is a cosmopolitan genus of high intertidal barnacles that are difficult to distinguish morphologically. This study focuses on a single subgeneric group of Chthamalus that is found on the coasts of North and Central America to determine the age and pattern of speciation among these species. Two comparisons of genetic divergence are made across the Panamanian Isthmus, allowing estimates of the...

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