A New Species of Aegypius Vulture (Aegypiinae, Accipitridae) from the Early Pliocene of South Africa

A New Species of Aegypius Vulture (Aegypiinae, Accipitridae) from the Early Pliocene of South Africa
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南非上新世早期的伊秃鹫一新种(伊吉亚科,鹰科)

DOI:
10.1080/02724634.2014.863204
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发表时间:
2014
期刊:
影响因子:
--
通讯作者:
Haarhoff
Haarhoff
中科院分区:
--
文献类型:
--
作者:
Manegold;A. Pavia;Haarhoff

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来自南非朗格巴安韦格上瓦尔斯沃特地层(上新世早期)的一个新物种Aegypius秃鹫的至少7个个体的化石遗骸,代表了世界上最早、明确和最实质性的Aegypiinae冠群的证据。对来自非洲中新世和中国的秃鹫物种的现有数据进行了评估,如Gansugyps linxiaensis、Mioaegypius Gui和Qiluornistaishansis,表明相应的化石要么缺乏埃及秃鹫的任何诊断特征,要么与埃及亚科的茎系有关。然而,埃及秃鹫可能起源于亚洲,该分类群的范围扩展到撒哈拉以南的非洲,可能与中新世期间群居食草动物,如牛和马科动物从欧亚大陆传播到非洲有关。新秃鹫物种的正型是一个相关的部分骨架,胸带、翅膀和后肢的元素被保留下来,在大小上与较小的个体相当。Monachus和A.沙漏鞋。在朗格巴恩韦格发现埃及秃鹫的证据进一步表明,开阔的林地是这一特殊地点上新世早期古环境的重要组成部分。
Fossil remains of at least seven individuals of a new species ofAegypiusvulture from the Upper Varswater Formation at Langebaanweg, South Africa (early Pliocene), represent the earliest, unequivocal, and most substantial evidence for crown-group Aegypiinae in the world. Evaluation of available data on previously described vulture species from the Miocene of Africa and China such asGansugyps linxiaensis,Mioaegypius gui, andQiluornis taishanensisindicate that the corresponding fossils either lack any diagnostic characters of aegypiine vultures or are referable to the stem lineage of Aegypiinae. Aegypiine vultures, nevertheless, might be of Asian origin, and the extension of the range of this taxon into Africa south of the Sahara might be correlated with the spread of gregarious herbivores such as bovids and equids from Eurasia to Africa during the Miocene. The holotype of the new vulture species, an associated partial skeleton with elements of the pectoral girdle, the wing, and the hind limb preserved, is comparable in size to smaller individuals ofA. monachusandA. tracheliotos. Evidence for anAegypiusvulture at Langebaanweg further indicates that open woodlands were an important component of the early Pliocene paleoenvironments at this particular site.
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关于秃鹫分类的注释
DOI: --
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