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首页> 外文期刊>Hydrobiologia >Description of two new species of Diaphanosoma Fischer, 1850 (Crustacea, Branchiopoda, Sididae) from the United States and Canada and species richness of the genus in North America
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Description of two new species of Diaphanosoma Fischer, 1850 (Crustacea, Branchiopoda, Sididae) from the United States and Canada and species richness of the genus in North America

机译：美国和加拿大的两个新物种菲氏假单胞菌1850年（甲壳纲，科氏蝉，S科）的描述以及北美该属的物种丰富度

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摘要

Investigation of a small number of samples with representatives of the genus Diaphanosoma from the cladoceran collection of the National Museum of Natural History, Smithsonian Institution (Washington, D.C., U.S.A.) has revealed two new species, D. freyi and D. heberti, from Louisiana–Missouri and Newfoundland, respectively. The former looks like one of the most primitive species of the genus. Two other species, D. fluviatile and D. brevireme, are recorded from the southern United States for the first time. Members of the D. brachyurum and D. birgei species groups, which are morphologically variable and need further detailed investigations, were represented in the bulk of the material studied. The species richness of the genus in North America appears to be high and its composition is obviously complex but remains little studied.
机译：史密森尼学会（Smithsonian Institution）（美国华盛顿特区）国家自然历史博物馆的锁骨文物收藏中的少量假蝇属代表对少量样品的调查显示，路易斯安那州有两个新物种D. freyi和D. heberti。 –密苏里州和纽芬兰。前者看起来是该属中最原始的物种之一。首次从美国南部记录到另外两个物种，D。fluviatile和D. brevireme。在所研究的大部分材料中，均代表了形态变异且需要进一步详细研究的D. brachyurum和D. birgei物种组的成员。北美该属的物种丰富度似乎很高，其组成显然很复杂，但仍未进行研究。

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