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
中科院分区:
文献类型:
--
作者:
Manegold;A. Pavia;Haarhoff
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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