古近系地茅的孢子体

IF 1.4 4区 地球科学 Q3 Earth and Planetary Sciences
Jochen Heinrichs, Matt von Konrat, Heinrich Grabenhorst, Alexander R. Schmidt
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引用次数: 8

摘要

我们根据德国晚渐新世比特菲尔德琥珀的包裹体记录了已灭绝的Frullania varians的孢子体。孢子体由短的约45微米厚的刚毛组成,仅略超过花被;打开的蒴果的尖瓣长约225µm,呈卵形,向后弯曲,由表皮和内层组成。两层细胞壁均有结节三角区。几个喇叭状的单螺旋接头固定在内阀层的上三分之一处。它们的长度约为150微米,直径为15-18微米。直径19 μ m的亚球形结构被解释为退化孢子。首次描述了frulaniaceae的化石化石、孢子和蒴果壁的细节。(©2012 WILEY-VCH Verlag GmbH &KGaA公司,Weinheim)
本文章由计算机程序翻译,如有差异,请以英文原文为准。
The sporophyte of the Paleogene liverwort Frullania varians Caspary

We document the sporophyte of the extinct Frullania varians based on an inclusion in Late Oligocene Bitterfeld amber from Germany. The sporophyte consists of a short, ca. 45 µm thick seta that exceeds the perianth only slightly; the elongate-ovate, acute valves of the opened capsule are about 225 µm long, curved backwards and consist of an epidermal and an internal layer. Cell walls of both layers possess nodulose trigones. Several trumpet-shaped, unispiral elaters are fixed to the upper third of the internal valve layer. They have a length of ca. 150 µm and a diameter of 15–18 µm. A subglobose structure of 19 µm diameter is interpreted as a degraded spore. Fossil elaters and spores as well as capsule wall details of Frullaniaceae are described for the first time. (© 2012 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim)

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来源期刊
Fossil Record
Fossil Record PALEONTOLOGY-
CiteScore
2.50
自引率
7.10%
发文量
18
审稿时长
>12 weeks
期刊介绍: Fossil Record (FR) is the palaeontological journal of the Museum für Naturkunde Berlin. This journal was founded in 1998 under the name Mitteilungen aus dem Museum für Naturkunde Berlin, Geowissenschaftliche Reihe and appears with two issues each year. Fossil Record publishes original papers in all areas of palaeontology including the taxonomy and systematics of fossil organisms, biostratigraphy, palaeoecology, and evolution. All taxonomic groups are treated, including invertebrates, microfossils, plants, and vertebrates.
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