国际古生物学研究团队发现了一具距今2.45亿年的海生爬行动物化石，其中保存了已知最古老且基本完整的爬行动物消化系统1。这具化石属于学名为Austronaga minuta的长颈海生爬行动物，出土于中国，体长约60厘米1。
研究人员利用紫外线摄影和质量分析等现代技术，成功识别了这具化石内部保存的胃、肝脏和肠道等器官1。该发现由来自北京脊椎动物古生物学和古人类学研究所、苏格兰国家博物馆、斯图加特自然历史州立博物馆、霍亨海姆大学、芝加哥菲尔德博物馆、洛平生物群国家地质公园以及苏黎世大学的研究团队共同完成，相关成果已于2026年9月29日发表在《Science Advances》期刊上1。
Paleontologists have discovered a 245-million-year-old fossil of a marine reptile that contains the oldest known substantially complete digestive system of its kind.1 The specimen, identified as Austronaga minuta, is a long-necked marine reptile measuring approximately 60 centimeters in length and was found in China.1 The fossil's internal organs—including the stomach, liver, and intestines—have been preserved with exceptional detail, allowing researchers to identify these structures using modern analytical techniques such as ultraviolet photography and mass spectrometry.1
The research, conducted by paleontological teams from China, Europe, and the United States, represents a significant advance in understanding early reptile anatomy and physiology.1 The findings were published in Science Advances on September 29, 2026, and involved collaboration among institutions including the Institute of Vertebrate Paleontology and Paleoanthropology in Beijing, the National Museum of Scotland, the State Museum of Natural History Stuttgart, the University of Hohenheim, the Field Museum in Chicago, the Loping Biota National Geological Park, and the University of Zurich.1
评论
还没有评论，欢迎留下第一条。