隐藏在眼前：科学家发现“海葵”化石的隐藏秘密
海葵是美丽而迷人的海洋生物，通常与珊瑚礁相关联。它们属于刺胞动物门，是水母和珊瑚的近亲。它们有着柔软的肉体，通常通过其基底圆盘固定在表面上。海葵具有丰富的历史，已经存在了数百万年，而化石记录可以追溯到动物王国的早期。
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尽管海葵在海底丰富，但由于它们柔软的身体缺乏容易化石化的硬部分，因此它们是最难以捉摸的化石之一。然而，一群古生物学家最近发现，数不清的海葵化石在近50年的时间里一直隐藏在眼前。
根据近日在《古生物学论文》杂志上发表的一篇论文，芝加哥大学伊利诺伊大学的罗伊·普洛特尼克和他的团队发现，先前被认为是水母的化石实际上是海葵。为了这样做，他们只需把这些古生物倒过来。
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“海葵基本上是翻转的水母。这项研究显示了一个简单的心理形象转变如何带来新的想法和解释，”普洛特尼克表示，他是这项研究的首席作者，也是伊利诺伊大学的退休教授。
这些化石来自于北伊利诺伊州马宗溪化石沉积物，有3.1亿年的历史。马宗溪是世界著名的拉格斯塔特，这是古生物学家用来描述具有卓越化石保存的地点。一个古老的三角洲允许了马宗溪软体生物的详细保存，因为数百万的海葵和其他动物被迅速埋在泥沙沉积物中。
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来自伊利诺伊州的3.1亿年历史的海葵化石Essexella。照片来源：《古生物学论文》
“这些化石比终末时期以来的Twinkies蛋糕还要好保存。部分原因是因为它们中的许多物种在被暴风雨般的泥沙崩塌埋葬时，都会挖洞到海底，”该研究的合著者詹姆斯·哈加多恩（James Hagadorn）表示，他是丹佛自然科学博物馆的非常规化石保存专家。
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在马宗溪，最常见的化石远远超过当地休闲
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Silver Indium Alloy market Insight into detailed SWOT analysis of the market, identifying the strengths, weaknesses, opportunities, and threats that are impacting the market growth.
The Indium Alloys Market Analysis Report offers comprehensive data on the Indium Alloys market from 2023 to 2030 with a 5.1% CAGR
The Racing Glove market size is set to experience a compound annual growth rate of 13% during the period of 2023 to 2030, as per the detailed market analysis report.
The Road Motorcycle Apparel market size has been analyzed from 2023 to 2030, with a thorough competitive landscape analysis and projected CAGR Value of 9.1%.
