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首页> 外文期刊>Zoosystematics and Evolution >Four new species of the genus Orobdella from Shikoku and Awajishima island, Japan (Hirudinida, Arhynchobdellida, Orobdellidae)
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Four new species of the genus Orobdella from Shikoku and Awajishima island, Japan (Hirudinida, Arhynchobdellida, Orobdellidae)

机译:来自日本四国和淡路岛的四个新的鄂霍德氏菌属物种(,科,Ar科,O科)

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Four new species of the genus Orobdella Oka, 1895 from the mountainous regions of Shikoku and Awajishima island, Japan are described. These new species consist of one quadrannulate, two sexannulate and one octannulate species. The quadrannulate Orobdella brachyepididymis sp. n. is a small species with a body length reaching only ca. 5 cm. The sexannulate Orobdella okanoi sp. n. was collected from Shikoku, and the other sexannulate species, Orobdella yamaneae sp. n., inhabits Awajishima island. The octannulate Orobdella nakahamai sp. n. is a large species with a body length greater than 20 cm and is only the second large octannulate species known within this genus. Phylogenetic analyses using nuclear 18S rRNA and histone H3, as well as mitochondrial cytochrome c oxidase subunit I, tRNACys, tRNAMet, 12S rRNA, tRNAVal, 16S rRNA, tRNALeu and NADH dehydrogenase subunit 1 markers, indicated that O. brachyepididymis is a sister species of the quadrannulate O. naraharaetmagarum Nakano, 2016, while the other three new species formed a clade closely related to O. masaakikuroiwai Nakano, 2014 and O. whitmani Oka, 1895. The ranges of the distant phylogenetic lineage groups of Orobdella overlap in Shikoku and adjacent islets.
机译:描述了来自日本四国和淡路岛岛山区的四种新的Orobdella Oka属,1895年。这些新物种由一个四方形,两个六边形和一个八分之一种组成。方形Orobdella brachyepididymis sp。 。是一个很小的物种,其体长仅达到ca。 5厘米六边形Orobdella okanoi sp。 。是从四国收集的,还有其他六环种,Orobdella yamaneae sp。 n。居住在淡路岛。八角形Orobdella nakahamai sp。 。是体长大于20厘米的大型物种,并且仅是该属中已知的第二大八进制物种。使用核18S rRNA和组蛋白H3以及线粒体细胞色素C氧化酶亚基I,tRNACys,tRNAMet,12S rRNA,tRNAVal,16S rRNA,tRNALeu和NADH脱氢酶亚基1标记进行的系统发育分析表明,O.brachyepididymis是其姊妹种。 Okadella的中生O. naraharaetmagarum Nakano(2016年),而其他三个新物种形成了与O. masaakikuroiwai Nakano(2014年)和O. whitmani Oka(1895年)密切相关的进化枝。Orobdella的远缘系统世系组的范围在四国和邻近的胰岛。

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