早期波斯河陆地顶峰捕食者regurgitalite表明机会主义的食行为
Arnaud Rebillard1,2,3, Andréas Jannel4,5, Lorenzo Marchetti4
1Museum für Naturkunde Leibniz-Institut für Evolutions- und Biodiversitätsforschung, Invalidenstraße 43, 10115, Berlin, Germany. arnaud.rebillard@student.hu-berlin.de.
Scientific reports
|January 30, 2026
概括
化石的胃部内容揭示了已知最古老的陆地排泄物,提供了对早期波斯河捕食者的饮食和养行为的见解. 这一发现揭示了波斯河生态系统的古代食物网络.
科学领域:
- 古生物学的古生物学
- 脊椎动物古生物学 脊椎动物古生物学
- 古生态学 古生态学
背景情况:
- 化石化消化器遗骸 (bromalites) 提供了关于灭绝的动物行为,生理和饮食的关键数据.
- 排泄物,特别是化石的胃内容,很少见,但提供了捕食事件的直接证据.
研究的目的:
- 为了分析一个独特的化石regurgitalite从早期的百米纪Bromacker地区.
- 为了重建一个晚期古世陆地生态系统中的养行为和食物相互作用.
主要方法:
- 微型计算机断层扫描 (微型CT) 扫描用于详细的骨分析.
- 化石遗骸的骨科,化学和语音分析.
- 与布罗马克地区已知的动物群进行比较分析.
主要成果:
- 发现了地质上最古老的陆地反石,含有41个骨头.
- 来自Thuringothyris mahlendorffae,Eudibamus cursoris的猎物元素的识别,以及一个身份不明的diadectid.
- 塔法诺米克标记表明,它是由一个大型顶峰捕食者机会性食,可能是Dimetrodon teutonis或Tambacarnifex unguifalcatus.
结论:
- 该标本提供了前所未有的洞察力,了解了早期波斯河捕食者的食生态.
- 在布罗马克陆地生态系统中展示了复杂的食物相互作用.
- 建立了最古老的陆地regurgitalite化石记录的新基准.
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