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Parasitol Int. 2015 Oct;64(5):314-8. doi: 10.1016/j.parint.2015.04.003. Epub 2015 Apr 17.

Phyllodistomum kanae sp. nov. (Trematoda: Gorgoderidae), a bladder fluke from the Ezo salamander Hynobius retardatus.

Author information

1
Department of Parasitology, Asahikawa Medical University, Midorigaoka-Higashi 2-1, Asahikawa, Hokkaido 078-8510, Japan. Electronic address: nakao@asahikawa-med.ac.jp.

Abstract

The Ezo salamander, Hynobius retardatus, is endemic only to Hokkaido, the northernmost island of Japan. Gravid flukes of the family Gorgoderidae were discovered from the urinary bladder of H. retardatus. The parasites were identified as a new species named Phyllodistomum kanae sp. nov. In the neighboring Honshu island another bladder fluke, Phyllodistomum patellare, has already been found from the Japanese newt. The new species clearly differs from P. patellare in having a spherical ovary and very weakly lobed testes. The discovery of species of Phyllodistomum from urodelan amphibians is very uncommon in Eurasia. A molecular phylogeny based on 28S ribosomal DNA suggests that sphaeriid bivalves may serve as the first intermediate host for the new species.

KEYWORDS:

Bladder fluke; Hokkaido; Hynobiid salamander; Hynobius retardatus; Phyllodistomum kanae sp. nov

PMID:
25892565
DOI:
10.1016/j.parint.2015.04.003
[Indexed for MEDLINE]

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