Article
Something Darwin didn't know about barnacles: spermcast mating in a common stalked species.
Proceedings. Biological sciences - 7 Mar 2013
Barazandeh Marjan, Davis Corey S, Neufeld Christopher J, Coltman David W, Palmer A Richard
Abstract excerpt
Most free-living barnacles are hermaphroditic, and eggs are presumed to be fertilized either by pseudo-copulation or self-fertilization. Although the common northeast Pacific intertidal gooseneck barnacle, Pollicipes polymerus, is believed only to cross-fertilize, some isolated individuals well outside penis range nonetheless bear fertilized eggs. They must therefore either self-fertilize or-contrary to all prior...
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