The systematic position of Opistocystidae (Annelida,Clitellata) revealed by DNA data |
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| Authors: | Christer Erséus Ida Envall Mercedes Marchese Lena Gustavsson |
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| Institution: | 1. Department of Zoology, University of Gothenburg, Box 463, SE-405 30 Göteborg, Sweden;2. Department of Zoology, Stockholm University, Sweden;3. Instituto Nacional de Limnología (CONICET-UNL), Ciudad Universitaria, 3000 Santa Fe, Argentina;4. Department of Invertebrate Zoology, Swedish Museum of Natural History, Box 50007, SE-104 05 Stockholm, Sweden;1. Departamento de Zoología y Antropología Física, Facultad de Biología, Universidad Complutense de Madrid, C/ José Antonio Nováis 2, 28040 Madrid, Spain;2. Centre for Genomic Regulation, Carrer del Dr. Aiguader, 88, 08003 Barcelona, Spain;3. Environmental Toxicology and Biology, Departamento de Física Matemática y de Fluídos, Facultad de Ciencias UNED, C/ Senda del Rey 9, 28040 Madrid, Spain;1. State Key Laboratory of Lake Science and Environment, Nanjing Institute of Geography and Limnology, Chinese Academy of Sciences, 73 East Beijing Road, Nanjing 210008, China;2. College of Resources and Environment, University of Chinese Academy of Sciences, Beijing 100049, China;3. Annis Water Resources Institute, Grand Valley State University, 740 West Shoreline Drive, Muskegon, MI 49441, USA;1. Biological Sciences Program, Faculty of Science, Chulalongkorn University, Bangkok 10330, Thailand;2. Animal Systematics Research Unit, Department of Biology, Faculty of Science, Chulalongkorn University, Bangkok 10330, Thailand;3. Royal Belgian Institute of Natural Sciences, Vautierstraat 29, B-1000 Brussels, Belgium;4. Evolutionary Ecology Group, University of Antwerp, Universiteitsplein 1, B-2610 Antwerp, Belgium;5. School of Biology, Institute of Science, Suranaree University of Technology, Nakhon Ratchasima 30000, Thailand;6. Program in Animal Science, Faculty of Agriculture Technology, Sakon Nakhon Rajabhat University, Sakon Nakhon 47000, Thailand;1. Institute of Oceanography, University of Gdańsk, Gdynia, Poland;2. Institute of Nature Conservation, Polish Academy of Sciences, Kraków, Poland |
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| Abstract: | Opistocystidae ?ernosvitov, 1936 is a largely Neotropical oligochaete taxon containing seven species. Its familial status has never been formally challenged, although possible close relationships with Naididae and Phreodrilidae have been noted. Mitochondrial 12S and 16S rDNA, and nuclear 18S rDNA, of a range of aquatic oligochaete taxa, including Trieminentia corderoi (Opistocystidae), were analysed by Bayesian inference. This showed that T. corderoi is a derived lineage within Naididae, closely related to Pristina and its monotypic subfamily Pristininae. Opistocystidae as a whole (with its three genera, Opistocysta, Trieminentia, and Crustipellis) is thus likely to be a group within Naididae. |
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