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首页> 外文学位 >Zoogeography and evolutionary patterns of Hyalellidae (Amphipoda: Crustacea).
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Zoogeography and evolutionary patterns of Hyalellidae (Amphipoda: Crustacea).

机译：透明质酸的动物地理和进化模式（两栖动物：甲壳纲）。

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摘要

The family Hyalellidae comprises eight genera according to Zeidler (1991) and Bousfield (1996). The composition of the family has been questioned (Barnard and Karaman, 1991, and Bellan-Santini, 1999), being reduced only to the freshwater genus Hyalella. Computer assisted cladistic analysis of morphological characters and DNA for some genera were undertaken, utilizing the program, PAUP. Morphological and DNA analysis shows that there is not enough evidence for Hyalellidae to remain a separated family, sensu Zeidler (1991) and Bousfield (1996). The genera of Hyalidae varied, clustering in different clades.; The work presented here focuses specifically on the genera Parhyalella and Hyalella. Sixteen redescriptions with new figures, ten provisionally new species, and 26 redescriptions with the original authors' figures are included.; Hyalella is known only from the Nearctic and Neotropical biogeographical areas. Nine new species are included. The species of Hyalella for the purpose of this work have been divided into several groups according to their morphological affinities, geographical distribution, or association with large river basins. The cladistic analysis of Hyalella produced clusters almost congruent with the geographical distribution of the species. The species of Lake Titicaca form two clades. The “patagonica complex” forms another clade. The species from North America and Central America, with the addition of the species from the Amazonian basin forms another clade. Species east and west of the Andes cluster together.; Parhyalella comprises only marine species, is morphologically close to Hyalella, and occurs on the coasts of every continent. One new provisional species is included in this work. Cladistic analysis indicates the genus could be divided into three groups. The Mediterranean species forms a clade by itself; there is a clade with the species from the Caribbean Sea, West Atlantic, East Atlantic and Pacific Ocean of the Americas, and a clade with the species from the Indo West Pacific area.; For purposes of zoological nomenclature, this work is not intended for public and permanent record.
机译：根据Zeidler（1991）和Bousfield（1996）的研究，Hyalellidae家族由八个属组成。该家庭的组成受到质疑（Barnard和Karaman，1991； Bella-Santini，1999），只限于淡水属。利用程序PAUP，对某些属的形态特征和DNA进行了计算机辅助分类分析。形态学和DNA分析表明，没有足够的证据证明透明质虫保持分离的家庭， sensu Zeidler（1991）和Bousfield（1996）。 Hyalidae的属多种多样，聚集在不同的进化枝中。这里介绍的工作专门针对 Parhyalella 和 Hyalella 属。包括十六个带有新数字的重新命名，十个临时的新物种以及二十六个带有原始作者数字的重新命名。 Hyalella 仅在近生和新热带生物地理地区众所周知。包括九个新物种。出于这项工作的目的， Hyalella 物种根据其形态亲和力，地理分布或与大型流域的关系被分为几类。对 Hyalella 产生的类群的分类分析几乎与该物种的地理分布一致。的喀喀湖物种形成两个进化枝。 “巴塔哥尼亚情结”形成了另一个分支。来自北美和中美洲的物种，再加上来自亚马逊河流域的物种，形成了另一个进化枝。安第斯山脉东部和西部的物种聚集在一起。 Parhyalella 仅包含海洋物种，在形态上与 Hyalella 接近，并且分布在每个大陆的海岸。一种新的临时物种包括在这项工作中。分类分析表明该属可以分为三类。地中海物种本身形成分支。与美洲的加勒比海，西大西洋，东大西洋和太平洋的物种共存的进化枝，以及与印度西太平洋地区的物种共生的进化枝。出于动物学命名的目的，该作品不适合公开和永久记录。

著录项

  • 作者

    Gonzalez, Exequiel Balbontin.;

  • 作者单位

    University of Maine.;

  • 授予单位 University of Maine.;
  • 学科 Biology Zoology.; Biology Limnology.
  • 学位 Ph.D.
  • 年度 2001
  • 页码 470 p.
  • 总页数 470
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 动物学;
  • 关键词

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