Aphlebia hvistendahliae sp. nov. from the early Permian Wuda Tuff Flora, Inner Mongolia

Aphlebia hvistendahliae sp. nov. from the early Permian Wuda Tuff Flora, Inner Mongolia
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内蒙古早二叠世乌达凝灰岩植物区系 Aphlebia hvistendahliae sp nov

DOI:
10.1016/j.revpalbo.2014.08.001
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发表时间:
2014-11
影响因子:
1.9
通讯作者:
Hermann Pfefferkorn
Hermann Pfefferkorn
中科院分区:
地球科学3区
文献类型:
--
作者:
Jun Wang;Mingli Wan;Hermann Pfefferkorn

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描述了采自内蒙古乌达火山凝灰岩中早二叠世泥炭形成植物群的一个新种Aphlebia hvistendahliae Wang,Wan et Pfefferkorn sp. nov.。该新种的特征是其羽状叶片,硬和尖锐的形状,和存在密集的间隔,柄,鳞片状毛状体的边缘和表面上的各种顺序的侧节。鳞片状的毛状体可能是该种Aphlebia Presl作为幼叶的覆盖物保护其免受水分损失和食草动物的证据。此外,Aphlebia可能在另一个功能中作为集水器官保留在一个延伸的位置。该新种与Pecopteris cf. norinii Halle认为它可能属于同一种母体植物,可能是一种marattialean蕨类植物。
Aphlebia hvistendahliae Wang, Wan et Pfefferkorn sp. nov. is described from the early Permian peat-forming flora preserved in volcanic tuff near Wuda, Inner Mongolia. The new species is characterized by its pinnate lamina, stiff and sharply pointed shape, and the presence of densely spaced, stalked, scale-like trichomes on the edges and surfaces of various orders of lateral segments. The scale-like trichomes could be evidence that this species of Aphlebia Presl functioned as a cover of a juvenile frond protecting it from water loss and herbivores. Moreover, the Aphlebia might have been retained in an extended position in another function as a water-collecting organ. The close association of this new species with Pecopteris cf. norinii Halle suggests that it may have belonged to the same parent plant, probably a marattialean fern.
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