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首页> 外文期刊>Journal of Systematic Palaeontology >Cainotheriidae (Mammalia, Artiodactyla) from Dams (Quercy, SW France): phylogenetic relationships and evolution around the Eocene-Oligocene transition (MP19-MP21)
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Cainotheriidae (Mammalia, Artiodactyla) from Dams (Quercy, SW France): phylogenetic relationships and evolution around the Eocene-Oligocene transition (MP19-MP21)

机译：来自水坝（Quercy，SW法国）的Cainotheriidae（Mammalia，Afriodactyla）：农业发生关系和何寡茂过渡周围的进化（MP19-MP21）

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摘要

Cainotheriids are a family of small artiodactyls, known in the fossil record from the late Eocene to the middle Miocene in Western Europe. Contrary to several European endemic ungulate groups that became extinct at the end of the Eocene or close to the Eocene-Oligocene transition (Grande Coupure), cainotheriids crossed this boundary and diversified during the Oligocene. The evolutionary history of cainotheriids around the Grande Coupure remains poorly documented and only a few works deal with the modalities of their evolution, notably because of the scarcity of available Eocene remains. A new fossiliferous karstic network named Dams was discovered during field prospecting in the Quercy area (Tarn-et-Garonne, France). It notably displays two infillings that yielded a great abundance of cainotheriid remains, namely DAM1 (MP19, late Eocene) and DAM3 (MP22, early Oligocene), bracketing the Eocene-Oligocene transition. A detailed study of cainotheriid mandibular and dental remains from these infillings reveals that only Paroxacron valdense occurs at DAM1, while five species are found in DAM3. The karstic network at Dams seemingly records a local taxonomic diversification of cainotheriids after the Grande Coupure, with Cainotheriinae being particularly successful. Our phylogenetic analysis, including cainotheriids from Dams, constitutes the first formal phylogeny of Cainotheriidae. Our results, based on mandibular and dental characters, allow us to (ⅰ) clarify relationships within Cainotheriidae, (ⅱ) erect a new family Robiacinidae, as being the sister taxon to Cainotheriidae among Cainotherioidea, and, more broadly, (ⅲ) discuss the controversial position of Cainotheriidae within Artiodactyla, as being more closely related to Ruminantia than to Tylopoda.
机译：Cainotheriids是一家小型偶乙酰胺，在化石中，从晚期到西欧中间内科的化石记录中。与几个欧洲地方脱鼠群落灭绝的欧洲末端或靠近何种少世肾上腺转型（Grande Souchure），Cainotheriids在寡核苷酸期间越过这种边界并多样化。 Grande Coupure周围的Cainootheriid的进化历史仍然记录不足，只有少数作品处理他们的演变的方式，特别是因为可用的遗骸的稀缺仍然存在。在Quercy地区（Tarn-et-Garonne，France），发现了一个名为Dams的新的血管性岩溶网络。它尤其显示出两种缺陷，产生大量的Cainoothothothiat，即Dam1（MP19，晚期）和达米（MP22，早期寡烯），包围何寡茂转变。这些潜水员的Cainotheriid下颌和牙科遗骸的详细研究表明，只有Paroxacron Valdense发生在达达坝上，而在达米3中发现了五种物种。在大坝的喀斯特网络看似记录了德国优先权后的当地分类学分类多样化，Cainotheriinae特别成功。我们的系统发育分析包括来自水坝的Cainootheriid，构成了Cainotheriidae的第一个正式的文学系统。我们的结果，基于下颌和牙齿特征，允许我们（Ⅰ）澄清Cainotheriidae内的关系，（Ⅱ）直立一个新的家庭罗宾尼，作为Cainothotioidea的姐妹分类群，更广泛地讨论（Ⅲ） Cainotheriidae在Afriodactyla内的争议地位，与尖塔更密切相关，而不是Tylopoda。

著录项

  • 来源
    《Journal of Systematic Palaeontology》 |2020年第12期|541-572|共32页
  • 作者

    Romain Weppe; Cecile Blondel; Monique Vianey-Liaud; Gilles Escarguel; Thierry Pelissie; Pierre-Olivier Antoine; Maeeva Judith Orliac;

  • 作者单位

    Institut des Sciences de l'Evolution de Montpellier Universite de Montpellier CNRS IRD EPHE Place Eugene Bataillon 34095 Montpellier Cedex 5 France;

    Laboratoire Paleontologie Evolution Paleoecosystemes Paleoprimatologie: UMR 7262 Bat. B35 TSA 51106 6 rue M. Brunet 86073 Poitiers Cedex 9 France;

    Institut des Sciences de l'Evolution de Montpellier Universite de Montpellier CNRS IRD EPHE Place Eugene Bataillon 34095 Montpellier Cedex 5 France;

    Laboratoire d'Ecologie des Hydrosystemes Naturels et Anthropises Universite de Lyon 1 CNRS UMR 5023 - LEHNA Bat. Forel F-69622 Villeurbanne Cedex France;

    Reserve naturelle nationale geologique du Lot Parc regional et Geoparc mondial UNESCO Causses du Quercy 46240 Labastide-Murat France;

    Institut des Sciences de l'Evolution de Montpellier Universite de Montpellier CNRS IRD EPHE Place Eugene Bataillon 34095 Montpellier Cedex 5 France;

    Institut des Sciences de l'Evolution de Montpellier Universite de Montpellier CNRS IRD EPHE Place Eugene Bataillon 34095 Montpellier Cedex 5 France;

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  • 正文语种 eng
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  • 关键词

    Grande Coupure; Quercy karstic infillings; Western Europe; deciduous dentition; morpho-anatomical phylogeny; faunal turnover;

    机译：格兰德队;Quercy karstic infillings;西欧;落叶牙列;Morpho解剖学系统发育;群营业额;

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