在印度拉杰马哈尔山中生代出现的一种叶状jungermanniale

B. Sharma
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引用次数: 2

摘要

贾坎德邦拉杰马哈尔山尼帕尼亚的硅化燧石薄片上,可以看到叶状的肝科Jungermanniales的成员。多叶的thalii要么是单叶的,要么是分叉的,有两排侧面的叶子和一排腹侧的叶子。幼苗只有几片叶子。多细胞腹部鳞片类似于现存的Marchantiales鳞片。蕨类植物散在的孢子和裸子植物的花粉粒也可见。在该化石区首次发现了一种叶状Jungermanniales植物化石。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Occurrence of a leafy Jungermanniales in the Mesozoic of the Rajmahal Hills, India
A member of leafy Jungermanniales of Hepaticopsida is seen in a thin section prepared of silicified chert of Nipania, Rajmahal Hills, Jharkhand. The leafy thallii are either simple or bifurcated and have two lateral rows and one ventral row of leaves. Young plant has only few leaves. Multicellular ventral scales resembling those of extant Marchantiales are also seen in the slide. Scattered spores of pteridophytes and pollen grains of gymnosperms are also visible. Occurrence of a fossil leafy Jungermanniales plant is reported for the first time from this fossiliferous area.
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