A UT San Antonio-led international research team has identified chitin, the primary organic component of modern crab shells and insect exoskeletons ...
The Daily Galaxy on MSN
Scientists were sure the ocean was dead, then they dug up this insane fossil site
Just over 512 million years ago, Earth’s life was shaken by a major extinction event, yet fossil evidence reveals it ...
Just over half a billion years ago, Earth was rocked by a global mass extinction event, a dramatic interruption of the ...
A treasure trove of Cambrian fossils has been discovered in southern China, providing a window on marine life shortly after ...
Terra Planet Earth on MSN
Forget dinosaurs only, experts point to these 9 prehistoric animals that once ruled Earth
Twelve non-dinosaur rulers show Earth’s old power: armored fish, giant insects, sky titans, sea kings, and saber teeth across ...
Hollingsworth, J. S. 2007. Fallotaspidoid trilobite assemblage (Lower Cambrian) from the Esmeralda Basin (western Nevada, U.S.A.): the oldest trilobites from Laurentia. Memoirs of the Australasian ...
(CN) — New archeological findings from the Grand Canyon have shed light on what life was like there during the Cambrian period, roughly 500 million years ago, long before the Colorado River cleaved ...
Fig.1: Tempo and mode in the body size evolution of Cambrian-Ordovician trilobites. Changes in maximum size (red) and mean size (blue) for each time slice, with lines and shading representing the mean ...
Our planet Earth has a mesmerizing history that spans across 4.6 billion years. For a majority of this immense timeframe, single-celled life reigned supreme. But, about 500 million years ago, ...
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