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Published: 2016-01-18

Limnodrilus sulphurensis n. sp., from a sulfur cave in Colorado, USA, with notes on the morphologically similar L. profundicola (Clitellata, Naididae, Tubificinae)

US Geological Survey, Menlo Park, California, U.S.A.
University of Gothenburg, Göteborg, Sweden
University of Gothenburg, Göteborg, Sweden
University of Hamburg, Hamburg, Germany
University of Akron, Akron, Ohio, U.S.A.
University of Colorado, Boulder, U.S.A.
University of Gothenburg, Göteborg, Sweden
Annelida Clitellata Naididae Tubificinae


A new species of the tubificine genus Limnodrilus is described and COI barcoded from Sulphur Cave and associated springs in Colorado, USA. The habitats are characterized by high sulfide concentrations. The new species, L. sulphurensis, is distinguished from all congeners by the elongate, nearly parallel teeth of chaetae in its anterior segments. It has a penis sheath resembling that of L. profundicola; consequently, museum specimens and new collections are examined here to resolve some of the taxonomic confusion surrounding that widespread, but uncommon species.



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