与Sabal Adans有亲缘关系的棕榈树的木材和叶子残骸。产于土耳其始新世中期

IF 16.4 1区化学 Q1 CHEMISTRY, MULTIDISCIPLINARY

Accounts of Chemical Research Pub Date : 2023-01-01 DOI:10.55730/1300-008x.2743

Ü. Akkemik, Stănilă Iamandei, Euginia Iamandei, Fikret Koçbulut, H. Güner, H. Çelik, Umut Tunç

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引用次数: 0

摘要

:根据对中始新世Çekerek组(土耳其中北部)的木材残骸和叶片印记的研究，两个新的化石物种被划归棕榈科。对两个化石木材样本的标准薄片进行了研究，鉴定为Palmoxylon sabaloides Greguss 1969，与现代Sabal Adans属有密切的木分关系。叶片上的印记是弱肋栖的，也与沙巴尔属相对应。基于短叶柄延伸(costa)，叶子类似于化石物种Sabal lamanonis (Brongn)。陆军,1855年。该化石种类在欧洲西部和西南部的古近系地层中丰富，但在东地中海地区的新生代地层中很少被描述。该物种的存在，结合先前报道的红树林棕榈树的花粉记录，表明土耳其中北部始新世中期的温暖(亚热带)热带条件，可能反映了中始新世气候最佳(MECO)。

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Wood and leaf remains of palms with affinities to Sabal Adans., from the middle Eocene of Turkey

: Two new fossil species based on the study of wood remains and leaf imprints from the middle Eocene Çekerek Formation (central-northern part of Turkey) are assigned to the palm family Arecaceae. Standard thin sections from the two samples of fossil wood were investigated and identified as Palmoxylon sabaloides Greguss 1969, with close xylotomical affinities to the modern genus Sabal Adans. The leaf imprints are weakly costapalmate and correspond to the genus Sabal as well. Based on the short petiole extension (costa), the leaves resemble the fossil-species Sabal lamanonis (Brongn.) Heer, 1855. This fossil-species was abundant in Paleogene strata of western and southwestern Europe but has only rarely been described from Cenozoic strata of the Eastern Mediterranean region. The presence of this species, in combination with previously reported pollen records of mangrove palms, indicate warm (sub)tropical conditions in the middle Eocene of north-central Turkey and may reflect the Middle Eocene Climate Optimum (MECO).

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来源期刊

Accounts of Chemical Research 化学-化学综合

CiteScore

31.40

自引率

1.10%

发文量

312

审稿时长

2 months

期刊介绍： Accounts of Chemical Research presents short, concise and critical articles offering easy-to-read overviews of basic research and applications in all areas of chemistry and biochemistry. These short reviews focus on research from the author’s own laboratory and are designed to teach the reader about a research project. In addition, Accounts of Chemical Research publishes commentaries that give an informed opinion on a current research problem. Special Issues online are devoted to a single topic of unusual activity and significance. Accounts of Chemical Research replaces the traditional article abstract with an article "Conspectus." These entries synopsize the research affording the reader a closer look at the content and significance of an article. Through this provision of a more detailed description of the article contents, the Conspectus enhances the article's discoverability by search engines and the exposure for the research.