广西中新世Syzygium木化石：东亚最早的Syzygius属化石证据

IF 1.4 3区农林科学 Q2 FORESTRY

IAWA Journal Pub Date : 2021-09-17 DOI:10.1163/22941932-bja10069

Yifan Li, Lu-Liang Huang, C. Quan, Jianhua Jin, A. Oskolski

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引用次数: 0

摘要

根据广西桂平盆地中新世二子塘组的干木化石描述了一新种Syzygium guipingensis sp. nov.(桃金娘科)。该种代表了东亚地区最古老可靠的Syzygium属化石记录，与现存种S. buxifolium Hook的相似性最大。阿诺特。其发生在中新世，与分子定年(11.4 Ma)估计的Syzygium内亚洲谱系的多样化年龄一致。Syzygium的化石记录表明，该属在中新世从澳大利亚迁移到东亚，与这些大陆之间岛链的形成不约而同。

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Fossil wood of Syzygium from the Miocene of Guangxi, South China: the earliest fossil evidence of the genus in eastern Asia

A new species, Syzygium guipingensis sp. nov. (Myrtaceae), is described based on mummified fossil wood from the Miocene Erzitang Formation of Guiping Basin, Guangxi, South China. This species represents the most ancient reliable fossil record of the genus Syzygium in eastern Asia, showing the greatest similarity to the extant species S. buxifolium Hook. et Arnott. Its occurrence in the Miocene is consistent with the diversification age of the Asian lineage within Syzygium as estimated by molecular dating (11.4 Ma). The fossil record of Syzygium suggests that this genus migrated from Australia to eastern Asia in the Miocene, coincidently with the formation of island chains between these continents.

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来源期刊

IAWA Journal 农林科学-林学

CiteScore

3.40

自引率

15.80%

发文量

审稿时长

>36 weeks

期刊介绍： The IAWA Journal is the only international periodical fully devoted to structure, function, identification and utilisation of wood and bark in trees, shrubs, lianas, palms, bamboo and herbs. Many papers are of a multidisciplinary nature, linking