俄罗斯东北部冻原生态系统中发现的一种新的栉水蚤属（枝角目：异足亚目：栉水蚤科）物种。
A new species of honeycombed Chydorus Leach, 1816 (Cladocera: Anomopoda: Chydoridae) from tundra of North-East Russia.
机构信息
Department of Invertebrate Zoology, Biological Faculty, M.V. Lomonosov Moscow State University, Leninskie Gory 112, Moscow 119991, Russia. A.N. Severtsov Institute of Ecology and Evolution, Leninsky Prospect 33, Moscow 119071, Russia..
A.N. Severtsov Institute of Ecology and Evolution, Leninsky Prospect 33, Moscow 119071, Russia. 3Department of General Ecology and Hydrobology, Biological Faculty, M.V. Lomonosov Moscow State University, Leninskie Gory 112, Moscow 119991, Russia..
出版信息
Zootaxa. 2022 Jun 14;5154(2):198-210. doi: 10.11646/zootaxa.5154.2.5.
A new cladoceran of the faviformis-group of the genus Chydorus Leach, 1816 (Cladocera: Chydoridae), characterized by a honeycomb-like sculpture of valves and head shield, is described from tundra lakes and ponds in North-East Russia. Morphology of the new species was studied using optical and scanning electron microscopy. Chydorus izvekovae sp. nov. differs from all other species of the faviformis-group in a narrow labral keel with elongated apex, and in a greater number of meshes on the valves and head shield. Other species of the faviformis-group in the Western Hemisphere are distributed in the tropical-subtropical zone, they also inhabit mostly shallow waters with well-developed macrophyte zone.
描述了一种新的淡水枝角类 Faviformis 组 Chydorus Leach，1816 属（枝角目：盘肠科），其特征为瓣膜和头盾呈蜂窝状结构。该新种来自俄罗斯东北部的冻土地带湖泊和池塘。使用光学和扫描电子显微镜研究了新种的形态。Chydorus izvekovae sp. nov. 在狭窄的唇瓣龙骨上具有细长的顶点，以及在瓣膜和头盾上具有更多的网格，与 Faviformis 组的所有其他物种不同。西半球的其他 Faviformis 组物种分布在热带-亚热带地区，它们也主要栖息在有发达的大型植物区系的浅水区。
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