Redescription of Two Nematode Species Parasitic in the Japanese Clawed Salamander, Onychodactylus japonicus (Amphibia: Caudata: Hynobiidae), with Proposal of a New Genus Shunyanema (Nematoda: Oxyuroidea: Pharyngodonidae)
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- Hasegawa Hideo
- Department of Infectious Diseases, Faculty of Medicine, Oita University
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- Uchida Akihiko
- Department of Environmental Health, College of Environmental Health, Azabu University
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Two species of parasitic nematodes, both associated with the Japanese clawed salamander Onychodactylus japonicus (Houttuyn, 1782) (Caudata: Hynobiidae), are treated in this paper. The first, Angiostoma onychodactyla Bursey and Goldberg, 2000 (Rhabditoidea: Angiostomatidae), is redefined as having an elliptical oral aperture without lips; double lateral alae; and male caudal papillae comprising nine pairs of pedunculate papillae, a single sessile papilla anterior to the anus, and two minute projections on the posterior anal lip. A new genus, Shunyanema, is established for Parapharyngodon japonicus Bursey and Goldberg, 1999 (Oxyuroidea: Pharyngodonidae). The new genus is characterized by the didelphic amphidelphic genital system, the vulva situated in the middle region of the body, and the anteriorly directed vagina in females; the absence of a V-shaped sclerotized structure supporting the genital cone in males; and the lack of an operculum and filaments in the eggs. Shunyanema japonicum comb. nov. is also redescribed and illustrated in detail.
収録刊行物
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- Species Diversity
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Species Diversity 11 (3), 245-255, 2006
日本動物分類学会
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詳細情報 詳細情報について
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- CRID
- 1390282679434471808
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- NII論文ID
- 110006794411
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- NII書誌ID
- AA11114903
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- ISSN
- 21897301
- 13421670
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- NDL書誌ID
- 8068991
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
- Crossref
- CiNii Articles
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