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首页> 外文期刊>Journal of South American earth sciences >The oldest fossils of the spider subfamily Modisiminae from the Americas: Description of a new species of the genus Modisimus Simon (Araneae: Pholcidae) from the amber of Mexico with a checklist of the extant Mexican species
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The oldest fossils of the spider subfamily Modisiminae from the Americas: Description of a new species of the genus Modisimus Simon (Araneae: Pholcidae) from the amber of Mexico with a checklist of the extant Mexican species

机译：来自美洲的蜘蛛亚家族的最古老的化石：来自墨西哥琥珀的Modisimus Simon（Araneae：Pholcidae）的新种类的描述与现存墨西哥物种的清单

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摘要

We present two new records and the description of a new fossil species of daddy long-legs spiders of the genus Modisimus Simon, 1893 from the Miocene Aquitanian amber in the state of Chiapas, Mexico. Of the two studied specimens, one of them is described based on adult male: Modisimus chiapanecus sp. nov. It is not possible to assign the second specimen as new species, because the epigynum it is not clearly visible, therefore we are presenting here the description of the female specimen only. Modisimus chiapanecus sp. nov. is the second fossil species of the family Pholcidae described from Mexico, and the 85th species described of the genus so far. The total number of species of Modisimus from Mexico increases to 20, including the new fossil species described herein. These species represent the oldest known fossils records of the subfamily Modisiminae from the Americas and of the genus so far (23 Mya). Additionally, an updated checklist of the extant Mexican species of the genus is provided.
机译：我们展示了两种新的记录和描述了Modisimus Simon Genus Modisimus Simon的爸爸长腿蜘蛛的新化石种，来自墨西哥恰帕斯州的中肾上腺腹水琥珀。在两个学习的标本中，其中一个是基于成年男性：Modisimus Chiapanecus Sp。 11月。不可能将第二种标本作为新物种分配，因为Epigynum它没有清晰可见，因此我们在这里仅在这里介绍了对雌性样本的描述。 modisimus chiapanecus sp。 11月。是来自墨西哥的第二种化石种类，以及到目前为止描述的第85种。来自墨西哥的多样性种类总数增加到20，包括本文所述的新化石物种。这些物种代表了来自美洲和迄今为止的属的亚家族多样性菊粉的最古老的化石记录（23 mya）。此外，提供了该属的现存墨西哥物种的更新清单。

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  • 来源
    《Journal of South American earth sciences》 |2020年第11期|102702.1-102702.14|共14页
  • 作者

    Angel Garcia-Villafuerte Miguel; Valdez-Mondragon Alejandro;

  • 作者单位

    Museo Paleontol Eliseo Palacios Aguilera Dept Paleontol Direct Gest Invest & Educ Ambiental Secretaria Medio Ambiente & Hist Nat Calzada Personas Ilustres S-N Tuxtla Gutierrez 29000 Chiapas Mexico;

    Univ Nacl Autonoma Mexico Inst Biol Lab Reg Biodiversidad & Cult Tejidos Vegetales LB Lab Arachnol LATLAX Sede Tlaxcala Santa Cruz Tlaxcala 90640 Tlaxcala Mexico|Univ Nacl Autonoma Mexico Inst Biol Dept Zool Colecc Nacl Aracnidos CNAN Ciudad Univ Mexico City 04510 DF Mexico;

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  • 正文语种 eng
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  • 关键词

    Palentology; Taxonomy; Synspermiata; Modisiminae; Chiapas;

    机译：Palentology;分类;Synspermiata;modisiminae;恰帕斯;

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