Paleontologist Paul Sereeno在怀俄明州发现一个罕见的幼小鸭状恐龙木乃伊(Ed Jr.), 揭示了详细的软组织保存。 Paleontologist Paul Sereno found a rare juvenile duck-billed dinosaur mummy, "Ed Jr.," in Wyoming, revealing detailed soft tissue preservation.

芝加哥大学的古生物学家保罗·塞雷诺利用历史记录和牧场主家的线索在怀俄明州东部发现了一种罕见的幼年嘴恐龙木乃伊"Ed Jr". Paleontologist Paul Sereno of the University of Chicago located the 1908 fossil site of a rare juvenile duck-billed dinosaur mummy, "Ed Jr.," in eastern Wyoming using historical records and a rancher’s family clue. 该发现发表在ScienceScience上, 揭示了6600万年前的Edmontosaurus Annectens史无前例的细节, 包括肉类皮肤、像犀牛一样的蹄、尾尖和薄粘土模版中保存的鲜肉的花冠。 The discovery, published in Science, reveals unprecedented details of the 66-million-year-old Edmontosaurus annectens, including scaly skin, rhino-like hooves, tail spikes, and a fleshy crest preserved in thin clay templates. 与埃及木乃伊的木乃伊不同, 这些是洪水形成的软组织 的微妙印象。 Unlike Egyptian mummies, these are delicate impressions of soft tissues formed by floodwaters. 专家们赞扬这项研究提供了从头到脚的大型恐龙最完整的解剖记录,尽管其颜色仍然未知。 Experts praised the study for providing the most complete anatomical record of a large dinosaur from head to toe, though its color remains unknown.