Exilia alanbeui, a new species from the Neogene of central Chile:: the first record of Exilia (Gastropoda: Ptychatractidae) from South America

被引：0
|
作者：
Nielsen, SN [1 ]
机构：
[1] Free Univ Berlin, Inst Geol Wissensch, Fachrichtung Palaontol, D-12249 Berlin, Germany
来源：
NAUTILUS | 2005年 / 119卷 / 04期
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D O I：
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中图分类号：
Q17 [水生生物学];
学科分类号：
071004 ;
摘要：
A new species of the ptychatractid genus Exilia, E. alanbeui new species, is described from late Neogene sediments of the Navidad Formation, central Chile. This new species represents the first record, fossil or Recent, of the genus Exilia from the South American continent. Given that Recent species of Exilia are restricted to bathyal depths, the presence of representatives of the genus in fine siltstones of the Navidad and Ranquil formations lend support to a previous interpretation of bathyal depths for these deposits.
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页码：153 / 156
页数：4
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