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Why Williamson’s (2014) theory of hybridogenesis fails to explain the evolution of the Rhizocephala

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image of Crustaceana

All available biological, ultrastructural, and molecular data support the conclusion that the cirripedian suborders, Rhizocephala and Thoracica, are closely related. Williamson’s speculations (Williamson, D. I., 2014. The origin of barnacles (Thecostraca, Cirripedia). Crustaceana, 87: 755-765) that the so-called hybridogenesis can explain how Rhizocephala evolved, rest on a selective choice of other authors’ data and an ignorance of solid facts derived from decades of comparative anatomical and molecular studies.

Affiliations: 1: 3Marine Biological Section, Biological Department, University of Copenhagen, Universitetsparken 4, DK-2100 Copenhagen, Denmark


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