The Paleozoic era's Silurian period saw animals and plants finally emerge on land. But first there was a period of biological regrouping following the disastrous climax to the Ordovician.

在地球浩瀚的历史长河中，生物演化的奥秘一直是科学家们不懈追求的课题。盔甲鱼类，这一群生活在四亿多年前的古老生物，以其独特的“戴盔披甲”特征，为我们揭开了古生物演化的一角。

Alice CEO Karan Gupta; Maelstrom CEO Neal Fachan; Clearly AI CEO Emily Choi-Greene; Silurian AI CEO Jayesh Gupta; Rome CEO ...

“人类来自何方？”这一哲学问题困扰了很多人，但如今这一问题或许有了科学解答。两年前，中国科学院古脊椎动物与古人类研究所的朱敏院士团队发表论文证实，人是从鱼演化而来的。那么，究竟是哪一条“鱼”率先登上了陆地呢？今天我们就来讲讲这位登陆先锋——鱼石螈的演 ...

This is a complete catalogue of the Cambrian and Silurian fossils in the Geological Museum at the University of Cambridge. Preceded by a detailed introductory section on the Palæozoic system, the ...

The term “living fossil” might sound contradictory, yet it’s a phrase that perfectly captures the strange reality of certain ...

Further research is necessary to determine what kind of dinosaur the fossils found in Hong Kong originally belonged to.

在地球浩瀚的历史长河中，生物演化的奥秘一直是科学家们不懈追求的课题。盔甲鱼类，这一群生活在四亿多年前的古老生物，以其独特的“戴盔披甲”特征，为我们揭开了古生物演化的一角。 在中国，这一领域经过 20 ...

Though unfinished, Salter's monograph has thirty excellent plates which make it an essential starting point for the study of British Devonian, Silurian and Ordovician trilobites. The monograph is also ...

Providers have been cited for violations ranging from missing immunization records to dragging children across the room.

TGS said the survey, which is positioned up-dip from the Utica condensate and gas trend, will target 276 sq miles of “key” ...

The Birmingham-Gemini 3D seismic survey will target key formations in the Appalachian Basin, including the Ordovician Trenton ...