trilobite-fossil

The Sciences

How Index Fossils Help Reconstruct Earth&#39;s Ancient and Mysterious Past

A pack of Nanotyrannus attacks a juvenile T. rex

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Lindsay Zanno, associate research professor at North Carolina State University and head of paleontology at the North Carolina Museum of Natural Sciences, with the Dueling Dinosaurs fossil.

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The Dueling Dinosaurs Mystery May Have Been Solved &mdash; The Baby T. rex Was Instead a Nanotyrannus

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How Big Was the&nbsp;Tyrannosaurus rex? They May Have Been Larger Than Fossil Evidence Suggests

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Mummy Dinosaurs Now Shrouded in Clay Had Hooves like Horses and Long Duck Bills

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230-Million-Year-Old Headless Fossil in Argentina Is One of the World&rsquo;s Oldest Dinosaurs

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The Oldest Dinosaur Was&nbsp;Nyasasaurus, Which Lived During the Middle Triassic and Stood 3 Feet Tall

Breugnathair elgolensis, half snake half lizard from ancient Scotland 

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This Species of Ancient Scottish Reptile Is Part Snake and Part Lizard

Illustration of Joaquinraptor with crocodile arm in its mouth.

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New Species of Carnivorous Dinosaur Discovered with Crocodile in Its Teeth

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Fossilized Dinosaur Teeth Are a Time Capsule to Our Atmospheric Past

An artist’s impression of a tiny Pterodactylus hatchling struggling against a raging tropical storm, inspired by fossil discoveries. Artwork by Rudolf Hima.

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150-Million-Year-Old Baby Pterosaurs With Broken Wings Help Solve a Centuries-Old Dinosaur Mystery

An artistic reconstruction of Kostensuchus atrox, a large crocodile relative with long legs.

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Kostensuchus atrox skull against a black background.

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Kostensuchus atrox body skeleton, mounted.

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At 12 Feet and 550 Pounds, This Crocodile Relative Devoured Dinosaurs Around 70 Million Years Ago

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This Dinosaur Showed Off a Spiny Sail to Attract Mates Around 125 Million Years Ago

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恐龙

标准化石如何帮助重建地球古老而神秘的过去

“决斗恐龙”之谜或已解开——幼年霸王龙实为矮暴龙

霸王龙有多大？它们可能比化石证据显示的还要大

被泥土包裹的恐龙木乃伊长着像马一样的蹄子和长长的鸭嘴

阿根廷发现2.3亿年前的无头化石，是世界上最古老的恐龙之一

最古老的恐龙是尼亚萨龙，生活在中三叠纪，高3英尺

这种古老的苏格兰爬行动物物种既像蛇又像蜥蜴

发现新食肉恐龙物种，嘴里叼着鳄鱼

恐龙化石牙齿是通往我们大气过去的时间胶囊

1.5亿年前的断翼幼年翼龙帮助解决了百年恐龙之谜

这只12英尺高、550磅重的鳄鱼近亲，在大约7000万年前吞噬了恐龙

这种恐龙在大约1.25亿年前展示了多刺的背帆来吸引配偶

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