数字化石挖掘揭示的鱿鱼的起源和辐射

IF 45.8 1区综合性期刊 Q1 MULTIDISCIPLINARY SCIENCES

Science Pub Date : 2025-06-26 DOI:10.1126/science.adu6248

Shin Ikegami, Yusuke Takeda, Jörg Mutterlose, Yasuhiro Iba

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引用次数: 0

摘要

软体乌贼是现代海洋生物的主要组成部分，但由于化石记录不完整，人们对它们的进化知之甚少。我们通过“数字化石挖掘”技术提供了鱿鱼的综合进化史，揭示了一个新的lagerstätte。40个物种的250多个喙化石表明，乌贼起源于1亿年前，并迅速扩散。我们的数据表明，从重壳、缓慢移动的头足类动物到软体动物的根本转变并不是白垩纪末期（6600万年前）的大灭绝造成的。早期乌贼已经形成了大量种群，其生物量超过了菊石类和鱼类。它们是现代海洋生态系统的先驱，是聪明、快速的游泳者。

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Origin and radiation of squids revealed by digital fossil-mining

The evolution of soft-bodied squids, which provide a major part of the biomass in modern oceans globally, is poorly understood owing to their patchy fossil record. We provide a comprehensive evolutionary history of squids through “digital fossil-mining” techniques, revealing a new lagerstätte. The more than 250 fossil beaks of 40 species show that squids originated and rapidly radiated by 100 million years ago. Our data suggest that the radical shift from heavily shelled, slowly moving cephalopods to soft-bodied forms did not result from the end-Cretaceous mass extinction (66 million years ago). Early squids had already formed large populations, and their biomass exceeded that of ammonites and fishes. They pioneered the modern-type marine ecosystem as intelligent, fast swimmers.

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来源期刊

Science 综合性期刊-综合性期刊

CiteScore

61.10

自引率

0.90%

发文量

审稿时长

2.1 months

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