独特的,状的外骨架结构表明,在晚石灰岩时期的马甲中,有同活体感染
Russell D C Bicknell1,2,3,4, Jason Dunlop5, Andrew Young4,6
1Division of Paleontology (Invertebrates), American Museum of Natural History, New York, NY10024, USA.
Biology letters
|January 15, 2026
概括
来自梅森溪 (Mazon Creek) 的化石马甲显示了小穴,可能来自藻类或寄生虫的感染. 这一独特的发现揭示了古老的宿主-寄生虫相互作用和灭绝的关节动物生命阶段的脆弱性.
科学领域:
- 古生物学的古生物学
- 古生物学的古生物学
- 进化生物学 进化生物学
背景情况:
- 马森溪保护区 (Mazon Creek Konservat-Lagerstätte) 提供了对石灰岩时期晚期生物的特殊保护.
- 已灭绝的马 (Xiphosurida) 代表性很好,可以了解它们的生物学.
- 化石中的病理特征很少见,但提供了宝贵的古生物学信息.
研究的目的:
- 在Euproops danae标本上记录和分析不寻常的状结构.
- 调查这些结构的潜在原因,例如感染.
- 了解对宿主寄生虫相互作用和化石石类动物生命阶段脆弱性的影响.
主要方法:
- 对Euproops danae化石进行了详细的形态检查.
- 与现代马病理学的比较分析.
- 在化石记录的背景下解释病理特征.
主要成果:
- 一个独特的Euproops danae标本在其前体上展现了许多状结构.
- 假设这些结构是藻类或寄生虫感染的证据.
- 这是 xiphosurid 化石记录中第一个有记录的此类侵袭案例.
结论:
- 洞穴表明生命阶段特定的脆弱性,可能表明终端变个体.
- 化石中的病理特征对于理解古代生态系统和宿主-寄生虫动态至关重要.
- 对于发现罕见的古生物学相互作用而言,Konservat-Lagerstätten是至关重要的.
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