A new genus of land planarian (Platyhelminthes, Geoplanidae) for a new ‘blind’ species

IF 1.8 3区环境科学与生态学 Q2 BIODIVERSITY CONSERVATION Systematics and Biodiversity Pub Date : 2022-04-14 DOI:10.1080/14772000.2022.2046200

L. Negrete, M. Francavilla, C. Damborenea, F. Brusa

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引用次数: 1

Abstract

The morphological and molecular (mitochondrial cytochrome c oxidase subunit I, COI) characterization of a new species of the subfamily Geoplaninae (Geoplanidae) supports the erection of a new genus, Anophthalmoplana gen. nov. The most remarkable feature of Anophthalmoplana horticola sp. nov. is the absence of eyes, a feature so far only recorded in one species of Geoplaninae, Geobia subterranea. Other features of the species are: a narrow, ribbon-shaped body; a gonopore near the posterior tip; a creeping sole almost as wide as body width; cylindrical pharynx; voluminous extrabulbar prostatic vesicle; protrusible penis papilla occupying the whole male atrium; a common ovovitelline duct dorsal to the female atrium; the atrium being lined by an epithelium with a stratified appearance. Based on the mtDNA phylogeny, the specimens studied here form a separate clade from the genus Geobia, thus contradicting its inclusion in this genus or any other of the subfamily Geoplaninae. These results reinforce the morphological differences observed, regarding internal anatomy, from Geobia and other members of Geoplaninae. http://zoobank.org/urn:lsid:zoobank.org:pub:317A4055-BCC8-4B89-A9DC-F96F98E803A5

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陆生涡虫一新属(扁形涡虫科)

土蛙亚科一个新种的形态和分子（线粒体细胞色素c氧化酶亚基I，COI）特征支持了一个新属的建立，即Anophalamoplana gen.nov.。Anophalomoplana horticola sp.nov.最显著的特征是没有眼睛，这一特征迄今为止只记录在土蛙亚科的一个物种Geobia subterranea中。该物种的其他特征是：狭窄的带状身体；后尖端附近的生殖孔；爬行的鞋底几乎和身体宽度一样宽；圆柱形咽部；肥大的球外前列腺囊泡；突出的阴茎乳头占据整个男性心房；女性心房背侧的一个常见的卵卵黄管；心房由具有分层外观的上皮排列。根据线粒体DNA系统发育，这里研究的标本与Geobia属形成了一个独立的分支，因此与它被纳入本属或Geoplaninae亚科的任何其他物种相矛盾。这些结果加强了从Geobia和Geoplaninae的其他成员在内部解剖方面观察到的形态学差异。http://zoobank.org/urn:lsid:zoobank.org:pub:317A4055-BCC8-4B89-A9DC-F96F98E803A5

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来源期刊

Systematics and Biodiversity 环境科学-生物多样性保护

CiteScore

4.10

自引率

0.00%

发文量

审稿时长

>24 weeks

期刊介绍： Systematics and Biodiversity is devoted to whole-organism biology. It is a quarterly, international, peer-reviewed, life science journal, without page charges, which is published by Taylor & Francis for The Natural History Museum, London. The criterion for publication is scientific merit. Systematics and Biodiversity documents the diversity of organisms in all natural phyla, through taxonomic papers that have a broad context (not single species descriptions), while also addressing topical issues relating to biological collections, and the principles of systematics. It particularly emphasises the importance and multi-disciplinary significance of systematics, with contributions which address the implications of other fields for systematics, or which advance our understanding of other fields through taxonomic knowledge, especially in relation to the nature, origins, and conservation of biodiversity, at all taxonomic levels. The journal does not publish single species descriptions, monographs or applied research nor alpha species descriptions. Taxonomic manuscripts must include modern methods such as cladistics or phylogenetic analysis.