来自泰国北部中新世的棘蕨属(棘蕨属)

IF 1.2 4区地球科学 Q3 PALEONTOLOGY

Alcheringa Pub Date : 1997-01-01 DOI:10.1080/03115519708619181

I. Soulié-Märsche, P. Gemayel, Y. Chaimanee, V. Suteethorn, J. Jaeger, S. Ducrocq

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引用次数: 12

摘要

研究并比较了泰国北部两个中新世遗址的绿藻螺纹石种群变异。两个种群之间的形态差异，被确定为meriani Nitellopsis和N. meriani globula，对应于种群间水平的变异，并不能证明先前作者所作的两个单独物种的区分。列出了这两个分类群的第一个详尽的同义词。形态差异可归因于环境差异，这反映在有关样品的不同岩性上。通过其在中国的生物地理分布，强调了其欧亚特征。该植物区系与先前发表的同一地点脊椎动物区系的中新世早期(16-14 m)一致。

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Nitellopsis (Charophyta) from the Miocene of northern Thailand

Charophyte gyrogonites from two Miocene sites in northern Thailand are studied and compared for population variation. Morphometrical differences between the two populations, determined as Nitellopsis merianii and N. meriani globula, correspond to variation at the interpopulation level and do not justify the distinction of two separate species as made by previous authors. The first exhaustive synonymy for both taxa is listed. Morphological differences can be attributed to environmental differences as reflected by distinct lithologies of the samples concerned. The eurasian character of N. merianii is underlined through its biogeographical distribution in China. The flora is in accordance with the early Middle Miocene age (16–14 My) previously published for vertebrate faunas from the same sites.

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来源期刊

Alcheringa 地学-古生物学

CiteScore

2.60

自引率

7.70%

发文量

审稿时长

>12 weeks

期刊介绍： Alcheringa : An Australasian Journal of Palaeontology is the official journal of the Australasian Palaeontologists. Alcheringa covers all aspects of palaeontology and its ramifications into the earth and biological sciences, including: Taxonomy- Biostratigraphy- Micropalaeontology- Vertebrate palaeontology- Palaeobotany- Palynology- Palaeobiology- Palaeoanatomy- Palaeoecology- Biostratinomy- Biogeography- Chronobiology- Biogeochemistry- Palichnology. Review articles are welcome, and may be solicited from time to time. Thematic issues are also possible. Emphasis is placed on high quality and informative illustration, in both line drawings and photographs. Papers of general significance may receive preference over those of more local interest.