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Cambrian explosion may have occurred 15 million years earlier than previously thought
The Cambrian explosion was an extraordinary phenomenon in the evolution of life on the planet that led to the emergence of ...
Earth.com2 天
Cambrian explosion: Fossils push back the rise of complex life
A new study of ancient fossil trails pushes the origins of complex life deeper into Earth’s history, before the Cambrian Period began.
IFLScience on MSN1 天
We May Have Misjudged A Fundamental Fact About The Cambrian Explosion
Rather than a constant upward trajectory of evolution, it’s been billions of years of boom-and-bust cycles – first an explosion of life, and then a mass extinction of all but the most hardy hangers-on ...
Science Daily4 天
These 545-million-year-old fossil trails just rewrote the story of evolution - ScienceDaily
Quantitative decoding of Ediacaran locomotory trace fossil morphologies: Evidence for the emergence of slender anterior-posterior body profiles. Geology , 2025; DOI: 10.1130/G53332.1 Cite This Page : ...
EurekAlert!5 天
Cambrian explosion may have occurred much earlier than previously thought
Quantitative decoding of Ediacaran locomotory trace fossilmorphologies: Evidence for the emergence of slender anterior-posterior body profiles. Article Publication Date. 9-Jun-2025.
生物通2 天
埃迪卡拉纪末期氮循环动态的相特异性氮同位素新解析：揭示海洋 ...
本研究针对埃迪卡拉纪末期海洋氧化还原条件与生物灭绝关联的争议问题，通过整合δ15Nkerogen（干酪根结合氮同位素）、δ15Nsilicate（硅酸盐结合氮同位素）和δ13Corg（有机碳同位素）数据，首次揭示DNRA（异化硝酸盐还原为铵）过程对氮循环的调控作用，证实海洋缺氧扩张通过氮限制压力导致埃迪卡 ...
insider.si.edu4 天
Microbial mats in siliciclastic depositional systems through time / edited by Nora Noffke ...
Introduction / Nora Noffke and Henry Chafetz -- Morphology and distribution of MISS : a comparison between modern siliciclastic and carbonate settings / Sushanta Bose and Henry S. Chafetz -- The trace ...