西伯利亚东南部上中新世最古老的燕子（鸟类：雀形目：燕科）。

Q3 Agricultural and Biological Sciences

Doklady Biological Sciences Pub Date : 2024-10-01 Epub Date: 2024-08-28 DOI:10.1134/S0012496624600258

N V Volkova

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引用次数: 0

摘要

本文描述了来自贝加尔地区下中新世的化石燕子新属和新种 Miochelidon eschata gen.这是燕科的唯一中新世代表，也是该类群最古老的化石记录。Miochelidon的冠状体结合了一般化和特化特征，表明该属在该科中处于基部位置。尺骨具有更高级的形态，就像现代燕子一样。这一发现表明，在早中新世，基部燕子分布广泛。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

The Oldest Swallow (Aves: Passeriformes: Hirundinidae) from the Upper Lower Miocene of Southeastern Siberia.

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The Oldest Swallow (Aves: Passeriformes: Hirundinidae) from the Upper Lower Miocene of Southeastern Siberia.

A new genus and species of fossil swallows, Miochelidon eschata gen. et sp. nov., are described from the Lower Miocene of the Baikal region. This is the only Miocene representative of Hirundinidae and the oldest fossil record of the group. The coracoid of Miochelidon combines generalized and specialized features, suggesting a basal position in the family for the genus. The ulna has a more advanced morphology, like in modern swallows. The find indicates a widespread distribution of basal swallows in the Early Miocene.

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来源期刊

Doklady Biological Sciences Agricultural and Biological Sciences-Agricultural and Biological Sciences (all)

CiteScore

1.10

自引率

0.00%

发文量

期刊介绍： Doklady Biological Sciences is a journal that publishes new research in biological sciences of great significance. Initially the journal was a forum of the Russian Academy of Science and published only best contributions from Russia in the form of short articles. Now the journal welcomes submissions from any country in the English or Russian language. Every manuscript must be recommended by Russian or foreign members of the Russian Academy of Sciences.