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Insect traces on early Permian plants of India

机译:印度二叠纪早期植物的昆虫痕迹

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The study of fossil leaves from the Glossopteris flora of the Lower Permian Gondwana sequence of the Barakar Formation of the Raniganj Coalfield, India, has revealed the presence of different types of insect traces. The structures are compatible with a variety of insect activities on fossil leaves. Nibbled and cuspate margins, trench marks, obliterated surfaces, blotch marks, and holes of various shape constitute feeding traces, whereas egg pouches along the midrib and irregularly distributed oviposition marks are traces of egglaying. Although fossil records of both insects and their activities in the Glossopteris flora of India remain scarce, the different types of insect traces identified in the present study demonstrate the existence of a diverse insect fauna during the Permian Period of India.
机译:对印度Raniganj煤田Barakar组的下二叠纪冈瓦纳序列的Glossopteris植物群的化石叶子的研究表明,存在不同类型的昆虫痕迹。这些结构与化石叶子上的各种昆虫活动兼容。蚕食边缘和骨边缘,沟槽痕迹,被遮盖的表面,斑点痕迹和各种形状的孔构成了进食痕迹,而沿着中肋的卵囊和不规则分布的产卵痕迹是产蛋痕迹。尽管昆虫的化石记录及其在印度Glossopteris植物区系中的活动仍然很少,但本研究中鉴定出的不同类型的昆虫踪迹表明,在印度的二叠纪期间存在着多种昆虫类群。

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