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New lagonomegopid spiders (Araneae: (f) Lagonomegopidae) from Early Cretaceous Spanish amber

机译:来自早白垩纪西班牙琥珀的新的蜘蛛指蜘蛛(蜘蛛:(f)蜘蛛指蜘蛛)

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摘要

Four new species belonging to the enigmatic fossil spider family Lagonomegopidae Eskov & Wunderlich, 1995 are described from Albian Spanish amber. Two new genera are created: Spinomegops gen. nov., based on two specimens described as S. arcanus sp. nov. from Alava amber (Penacerrada I outcrop, Burgos), and S. aragonensis sp. nov. from San Just amber (Teruel); and Soplaogonomegops gen. nov., represented by the type species S. unzuei sp. nov. from El Soplao amber (Cantabria). A single specimen from Alava amber is tentatively assigned to Lagonomegops Eskov & Wunderlich, 1995 and described as L.? cor sp. nov. We confirm the existence of previously contentious numerous tarsal and metatarsal trichobothria on Burlagonomegops alavensis Penney, 2005, and reinterpret the mouthpart morphology of Grandoculus chemahawinensis Penney, 2004. In light of our new data, the family diagnosis for Lagonomegopidae is emended and the family Grandoculidae Penney, 2011 is synonymized with Lagonomegopidae.
机译:1995年,来自阿尔比亚西班牙人的琥珀描述了属于神秘化石蜘蛛科Lagonomegopidae Eskov&Wunderlich的四个新物种。创建了两个新属:Spinomegops gen。 nov。,基于描述为S. arcanus sp。的两个标本。十一月来自阿拉瓦琥珀(Penacerrada I露头,布尔戈斯)和S. aragonensis sp.。十一月来自San Just amber(特鲁埃尔);和Soplaogonomegops gen。十一月,由类型种S. unzuei sp。代表。十一月来自El Soplao amber(坎塔布里亚)。暂定将Alava琥珀的单个样本分配给Lagonomegops Eskov&Wunderlich,1995,并描述为L.? cor sp。十一月我们确认2005年Burlagonomegops alavensis Penney上存在争议性的许多骨和s骨毛癣菌,并重新解释了2004年Grandoculus chemahawinensis Penney的口部形态。根据我们的新数据,Lagonomegopidae的家庭诊断得到了改善,而Grandoculidae Penney家族得到了改进,2011是Lagonomegopidae的代名词。

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  • 来源
    《Journal of Systematic Palaeontology》 |2013年第6期|531-553|共23页
  • 作者单位

    Departament d'Estratigrafia, Paleontologia i Geociencies Marines, Facultat de Geologia, Universitat de Barcelona, Marti i Franques s, Barcelona 08028, Spain;

    Paleontological Institute and Department of Geology, University of Kansas, 1475 Jayhawk Boulevard,Lawrence, KS 66045, USA;

    Paleontological Institute and Department of Geology, University of Kansas, 1475 Jayhawk Boulevard,Lawrence, KS 66045, USA,Department of Earth Sciences, Natural History Museum, Cromwell Road, London SW7 5BD, UK;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Arachnida; new taxa; Iberian Peninsula; Mesozoic; Albian;

    机译:蛛形纲;新的分类单元伊比利亚半岛;中生代阿尔比恩;

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