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Revision of selected species of Bythinella Moquin-Tandon1856 from Central Europe using morphology, anatomy and DNA barcodes

(Caenogastropoda: Rissooidea)

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This article aims at reaching an improved understanding of the relationships between the central European Bythinella species Bythinella austriaca (Frauenfeld 1857), Bythinella conica Clessin 1910, Bythinella intermedia Mahler 1950 and Bythinella isolata Boeters 2006, based on an integration of morphology, anatomy and genetics. Specimens from 92 locations were investigated. Molecular investigation was performed by using DNA sequences of a standard region of the mitochondrial cytochrome oxidase subunit I (COI) gene from specimens from the type localities or nearby, including COI sequences gained from GenBank. Molecular analysis revealed a clear separation of Bythinella austriaca from Bythinella conica while morphological features and genital anatomy did not allow a clear discrimination of both species. In contrast Bythinella intermedia has to be regarded as a synonym of Bythinella conica. In addition Bythinella isolata is considered as subspecies of Bythinella conica as determination of Bythinella conica isolata specimens was possible through morphological and anatomical features but not through DNA barcoding. Moreover Bythinella conica isolata populations are ecologically isolated from populations of Bythinella conica conica due to their adaption to very extreme conditions.
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Keywords: AUSTRIA; BYTHINELLA; COI; DNA BARCODING; DNA TAXONOMY; GASTROPODA; GERMANY; SPECIES IDENTIFICATION

Document Type: Research Article

Publication date: 01 June 2012

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  • Archiv für Molluskenkunde is an international, peer-reviewed journal on all aspects of molluscan biodiversity. It preferably publishes original research papers of high quality on systematics, taxonomy, phylogeny and morphology of all groups of molluscs, both recent and fossil from the Cenozoic. Contributions of broad international interest on other aspects of malacology such as ecology and biogeography are welcome as well. Papers on physiology, parasitology, regional faunistics or those on non-Cenozoic fossils or pure biostratigraphy should be submitted elsewhere. Manuscripts shall be in English but may include an expanded abstract in a foreign language.

    Archiv für Molluskenkunde was founded in 1868 as "Nachrichtsblatt der Deutschen Malakozoologischen Gesellschaft". It has been published continuously since its foundation, making it the oldest malacological journal. It is edited by the curators of the section of Mollusca at the Senckenberg research institute.

    Up to and including Vol. 138/2 papers were published under the ISSN 0003-9284.
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