研究人员重新分析了保存超过150年的化石标本，确认发现了已知最大的蝎子物种Praearcturus gigas1。这只远古蝎子体长约1米，螯长超过16厘米，生活在415百万年前的早泥盆纪英国和威尔士地区1。
这项发现显著改变了科学界对巨型节肢动物进化历史的认识1。Praearcturus gigas出现的时间比已知的碳石时期巨型节肢动物早5000多万年，将这类生物巨型化的历史大幅向前推移1。科学家认为该物种可能具有半水生生活方式1。这一研究成果已发表在学术期刊《Palaeontology》2026年第69卷第3期1。
Researchers have confirmed the discovery of the largest known scorpion species by reanalyzing a fossil specimen preserved for over 150 years.1 The creature, identified as Praearcturus gigas, measured approximately one meter in length with pincers exceeding 16 centimeters, and inhabited what is now Britain and Wales during the Early Devonian period around 415 million years ago.1 This finding pushes back the timeline of giant arthropods by more than 50 million years compared to previously known specimens from the Carboniferous period.1
Scientists from the University of Manchester and the Natural History Museum London conducted the reanalysis that established the species' identity.1 The discovery fundamentally reshapes our understanding of how these organisms evolved to such enormous proportions.1 Evidence suggests that Praearcturus gigas likely adopted a semi-aquatic lifestyle.1 The research was published in the journal Palaeontology in 2026, Volume 69, Issue 3.1
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