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Description of a new species of Paraplehnia (Polycladida, Stylochoidea) from Japan, with inference on the phylogenetic position of Plehniidae
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| Title: | Description of a new species of Paraplehnia (Polycladida, Stylochoidea) from Japan, with inference on the phylogenetic position of Plehniidae |
| Authors: | Oya, Yuki Browse this author | | Kimura, Taeko Browse this author | | Kajihara, Hiroshi Browse this author →KAKEN DB |
| Keywords: | 28S rDNA | | Acotylea | | Bayesian inference | | COI | | marine flatworm | | maximum likelihood | | taxonomy |
| Issue Date: | 15-Jul-2019 |
| Publisher: | Pensoft Publishers |
| Journal Title: | Zookeys |
| Volume: | 864 |
| Start Page: | 1 |
| End Page: | 13 |
| Publisher DOI: | 10.3897/zookeys.864.33955 |
| Abstract: | We describe a new species of polyclad flatworm, Paraplehnia seisuiae sp. nov., from 298-310 m depths in the Sea of Kumano, West Pacific, Japan. Paraplehnia seisuiae sp. nov. is characterized by i) a developed muscular wall proximally occupying about one-third of the prostatic vesicle, ii) no common duct between the spermiducal bulbs and the prostatic vesicle, and iii) a genital pit between the male and female gonopores. We provide a partial sequence (712 bp) of the mitochondrial cytochrome c oxidase subunit I gene as a DNA barcode for the species. Our phylogenetic analyses based on 603-bp 28S rDNA sequences indicate that P. seisuiae sp. nov. is nested in a Glade consisting of stylochoid species along with unidentified species of Stylochus. It suggests that Plehniidae belongs to Stylochoidea, although this should be confirmed by future studies that contain Plehnia arctica (Plehn, 1896), the type species of the type genus of the family. The interfamily relationship among the superfamily Stylochoidea remains poorly resolved. |
| Rights: | https://creativecommons.org/licenses/by/4.0/ |
| Type: | article |
| URI: | http://hdl.handle.net/2115/75765 |
| Appears in Collections: | 理学院・理学研究院 (Graduate School of Science / Faculty of Science) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)
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