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Biogeography of Lottia strigatella (Carpenter 1864) and a description of a cryptic sister species.

机译:Lottia strigatella的生物地理学(Carpenter,1864年)和一个神秘姐妹物种的描述。

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摘要

A new northeastern Pacific limpet species common in the mid-intertidal of southern California is described as Lottia polyfacies sp. nov. (type locality: Anacapa Island, Channel Islands National Park, California). It is distinguished from its sister species to the south, L. strigatella (Carpenter 1864), and a morphologically similar species to the north, L. paradigitalis (Fritchman 1960). Morphological comparisons herein reveal substantial plasticity and overlap; however, all these species can be unambiguously distinguished based on analyses of 16S and COI mitochondrial DNA markers. Moreover, L. polyfacies and L. strigatella are resolved in a phylogeny as reciprocally monophyletic sister species. At its southern and northern range limits, L. polyfacies populations overlap with L. strigatella and L. paradigitalis, respectively, with no evidence for genetic exchange. The ecological and biogeographical implications of these range transitions are explored, and these help support the Southern California Bight as part of the distinctive San Diegan biogeographic province.
机译:在加利福尼亚南部潮间中期常见的一种东北太平洋帽贝新物种被描述为Lottia多相藻。十一月(类型类型:加利福尼亚海峡群岛国家公园的阿纳卡帕岛)。它与南方的姊妹物种L. strigatella(Carpenter 1864)和北方的类似形态物种L. paradigitalis(Fritchman 1960)区别开来。本文的形态学比较显示出可塑性和重叠性。但是,根据16S和COI线粒体DNA标记的分析,可以清楚地区分所有这些物种。此外,L。polyfacies和L. strigatella在系统发育上被解析为相互单系的姊妹物种。在其南部和北部范围的界限处,L。polyfacies种群分别与strigatella和L. paradigitalis重叠,没有遗传交换的证据。探索了这些范围转换的生态和生物地理意义,并帮助支持了南加利福尼亚湾作为独特的圣迭根生物地理省的一部分。

著录项

  • 作者

    Hewson, William Edward.;

  • 作者单位

    California State University, Fullerton.;

  • 授予单位 California State University, Fullerton.;
  • 学科 Biology Ecology.; Biology Genetics.; Biology Zoology.
  • 学位 M.S.
  • 年度 2008
  • 页码 84 p.
  • 总页数 84
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 生态学(生物生态学);遗传学;动物学;
  • 关键词

  • 入库时间 2022-08-17 11:38:45

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