Species Diversity
First Record of Poecilobdella nanjingensis (Hirudinida: Arhynchobdellida: Hirudinidae) from Taiwan and its Molecular Phylogenetic Position within the Family
Takafumi NakanoYi-Te Lai
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Volume 21 (2016) Issue 2 Pages 127-134

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The terrestrial hirudinid leech Poecilobdella nanjingensis Yang, 1996 is reported for the first time from Taiwan, having previously been found only in continental China. A morphological description of the new material from Taiwan is provided here, confirming that, contrary to the diagnosis of Poecilobdella Blanchard, 1893, P. nanjingensis lacks a vaginal caecum in its female reproductive system. In addition, molecular phylogenetic analyses reveal that P. nanjingensis is part of a clade consisting of the hirudinid genera defined by the lack of a vaginal caecum. These results highlight the need for further taxonomic studies on the generic position of this species.

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© 2016 The Japanese Society of Systematic Zoology
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