缅甸始新世中Pondaung组Neochorlakkia myaingensis n. gen.， n. sp.一新双翅虫科(哺乳纲，鲸足目)

IF 1.2 4区地球科学 Q3 PALEONTOLOGY

Comptes Rendus Palevol Pub Date : 2022-01-31 DOI:10.5852/cr-palevol2022v21a4

S. Ducrocq, A. Soe, C. Sein, Y. Chaimanee, O. Chavasseau, J. Jaeger

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引用次数: 1

摘要

在中始新世晚期的缅甸Pondaung组中，基底有蹄类具有显著的多样性。然而，由于材料的稀缺性和保存不良，某些化石的精确鉴定或归属有时是困难的。我们在这里描述了一个来自Paukkaung Kyitchaung 2地区的双掌虫科的新属和新种，它在形态上和系统遗传上可能接近巴基斯坦始新世早期中期的一个分类单元，我们讨论了牙齿材料归属于缅甸的chitseini Tsubamoto, Egi, Takai, Htike & Zin-Maung-Maung-Thein, 2013，一个来自Pondaung的不确定偶蹄动物。这项研究还证实了始新世上半叶印度次大陆和东南亚之间可能存在分散。

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Neochorlakkia myaingensis n. gen., n. sp., a new Dichobunidae (Mammalia, Cetartiodactyla) from the middle Eocene Pondaung Formation, Myanmar

The diversity of basal ungulates is significant in the late middle Eocene Pondaung Formation (Myanmar). However, the precise identification or attribution of some fossils is sometimes difficult because of the scarcity and poor preservation of the material. We describe here a new genus and species of a Dichobunidae from Paukkaung Kyitchaung 2 locality, that is morphologically and probably phylogenetically close to a taxon from the early-middle Eocene of Pakistan, and we discuss the attribution of dental material to Myanmarius chitseini Tsubamoto, Egi, Takai, Htike & Zin-Maung-Maung-Thein, 2013, an inderterminate artiodactyl from Pondaung. This study also confirms that dispersals were possible between the Indian subcontinent and Southeast Asia during the first part of the Eocene.

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来源期刊

Comptes Rendus Palevol 地学-古生物学

CiteScore

2.10

自引率

0.00%

发文量

审稿时长

17.6 weeks

期刊介绍： Comptes Rendus Palevol is a fully electronic and peer-reviewed journal, with a continuous publication stream, devoted to palaeontology, prehistory and evolutionary sciences. It publishes original research results, in French or English, in the following domains: systematic and human palaeontology, prehistory, evolutionary biology and macroevolution, and history of sciences. Thematic issues may also be published under the responsibility of a guest editor. All articles published in Comptes Rendus Palevol are compliant with the different nomenclatural codes. A copyright assignment will be signed by the authors before publication.