@ARTICLE{TreeBASE2Ref19666, author = {Dirk Erpenbeck and Tina Weier and nicole J de voogd and Gert W?rheide and Patricia Sutcliffe and Jonathan A Todd and Ellinor Michel}, title = {Insights into the evolution of freshwater sponges (Porifera: Demospongiae: Spongillina): New barcoding data from Lake Tanganyika endemics indicates multiple invasions and unsettles existing taxonomy.}, year = {2011}, keywords = {}, doi = {}, url = {http://}, pmid = {}, journal = {Molecular Phylogenetics and Evolution}, volume = {}, number = {}, pages = {}, abstract = {Sponges are a conspicuous element in many benthic habitats including in Africa?s oldest, deepest lake, Lake Tanganyika. Despite their prevalence and pivotal ecological role as filter feeders, knowledge of the evolutionary history of sponges is in its infancy. Here, we provide the first molecular analysis targeting the evolution of sponges from Lake Tanganyika. Independent markers indicate the occurrence of several colonization events, which have shaped the current lacustrine sponge biodiversity. This is in contrast to a range of previously studied organisms that have diversified within the lake from single lineages. Our tree reconstructions indicate the presence of two genera, Oncosclera and Eunapius, which are globally distributed. Therefore, we reject the hypothesis of monophyly for the sponges from Lake Tanganyika and challenge existing higher taxonomic structure for freshwater sponges. } }

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