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相关概念视频

The Fossil Record02:56

The Fossil Record

The fossil record documents only a small fraction of all organisms that have ever inhabited Earth. Fossilization is a rare process, and most organisms never become fossils. Moreover, the fossil record only exhibits fossils that have been discovered. Nevertheless, sedimentary rock fossils of long-lived, abundant, hard-bodied organisms dominate the fossil record. These fossils offer valuable information, such as an organism's physical form, behavior, and age. Studying the fossil record helps...

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相关实验视频

Updated: Jul 12, 2026

At-Risk Butterfly Captive Propagation Programs to Enhance Life History Knowledge and Effective Ex Situ Conservation Techniques
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Published on: February 11, 2020

甲虫在白时期的珀中

M R Mackay

    Science (New York, N.Y.)
    |January 23, 1970
    PubMed
    概括

    发现了莱比多普特拉 (Lepidoptera) 的第一个化石证据,一种或蝶,起源于三级时期之前. 这一发现由一个幼虫头囊组成,在白纪加拿大珀中保存.

    科学领域:

    • 古生物学的古生物学
    • 昆虫学 昆虫学是一门学科.
    • 化石研究 化石研究

    背景情况:

    • 类,包括蝶和蝶,主要从三级时期开始就已知.
    • 以前的Lepidoptera化石记录是有限的,缺乏早期地质时代的确切证据.

    研究的目的:

    • 为了报道发现一个重要的类类动物化石.
    • 为了确定白纪时期类动物的存在.

    主要方法:

    • 化石遗骸的挖掘和分析.
    • 在加拿大珀中微观检查入物.

    主要成果:

    • 一个保存良好的头部囊的识别,属于虫的幼虫.
    • 证实化石起源于白时期的加拿大珀.

    结论:

    • 这一发现代表了迄今为止最早的Lepidoptera化石证据.
    • 它将已知的Lepidoptera化石记录推回到白纪时期,比三级时期更早.

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