印度东北部米佐拉姆的一种新的 Eutyphoeus 蚯蚓（Clitellata: Acanthodrilidae）。

IF 0.8 4区生物学 Q3 ZOOLOGY

Zootaxa Pub Date : 2024-03-13 DOI:10.11646/zootaxa.5424.2.5

Christopher Rodingpuia, Lalthanzara Hmar, Jatinder Julka, Zothansanga Chawngthu, Vabeiryureilai Mathipi, Ruth Lalfelpuii, Nachimuthu Senthil Kumar, Guruswami Gurusubramaniun, Kholhring Lalchhandama, Vanlalrovi, Lalbiakzuala Chhakchhuak

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引用次数: 0

摘要

我们在此描述了一种新的陆生蚯蚓Eutyphoeus rihnimensis sp.（Acanthodrilidae科），其标本采集自印度东北部米佐拉姆邦的一个村庄Khawrihnim。该新种与其同属的千足类成员的区别在于：雄性门孔上有一个分支，分为四个指状突起；8188个节上有5对肠上腺；从第25节开始有typhlosole；腹面肠盲10覆盖第33-34节；精囊呈双岔开状，导管短而粗壮；侧憩室和中憩室非常短等特征。基于线粒体细胞色素 c 氧化酶亚单位 1（CO1）基因的序列分析进一步证明了它与已知的 Eutyphoeus 物种的区别。

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A new species of Eutyphoeus earthworm (Clitellata: Acanthodrilidae) from Mizoram, North-East India.

We describe here a new species of terrestrial earthworm Eutyphoeus rihnimensis sp. nov. (family Acanthodrilidae) from specimens collected at Khawrihnim, a village in Mizoram, Northeast India. The new species is distinguished from its congener members in E. gigas group in having an outgrowth that branches into four finger-like projections from the male porophores, five pairs of supra-intestinal glands in 8188 segments, typhlosole that begins from segment 25, ventral intestinal caeca 10 that covers segments 33-34, a bidiverticulate spermathecae with a short and stout duct, and very short lateral and median diverticula among other characters. Sequence analysis based on mitochondrial cytochrome c oxidase subunit 1 (CO1) gene further warrants its distinction from known species of Eutyphoeus.

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来源期刊

Zootaxa 生物-动物学

CiteScore

1.90

自引率

33.30%

发文量

1895

审稿时长

2.7 months

期刊介绍： Zootaxa is a peer-reviewed international journal for rapid publication of high quality papers on any aspect of systematic zoology, with a preference for large taxonomic works such as monographs and revisions. Zootaxa considers papers on all animal taxa, both living and fossil, and especially encourages descriptions of new taxa. All types of taxonomic papers are considered, including theories and methods of systematics and phylogeny, taxonomic monographs, revisions and reviews, catalogues/checklists, biographies and bibliographies, identification guides, analysis of characters, phylogenetic relationships and zoogeographical patterns of distribution, descriptions of taxa, and nomenclature. Open access publishing option is strongly encouraged for authors with research grants and other funds. For those without grants/funds, all accepted manuscripts will be published but access is secured for subscribers only.