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Understanding major evolutionary transitions requires distinguishing true biological signals from preservation artifacts. Our research challenges conventional interpretations of the Great Ordovician ...

Rich brachiopod fossils dating back 470 million years to the Ordovician period were discovered in Zigui county, Central China's Hubei Province. Experts suggest these fossils provide evidence for ...

One of Earth's most consequential bursts of biodiversity—a 30-million-year period of explosive evolutionary changes spawning innumerable new species—may have the most modest of creatures to thank for ...

Brachiopods were evolving in new directions but this did not turn into evolutionary success in terms of the numbers of species, researchers have found. Brachiopods were evolving in new directions but ...

This valuable study examines the evolution of the pillars in the shell architecture of organo-phosphatic brachiopods. The phylogenetic implications of this shell structure in relation to other early ...

The Lower Paleozoic strata in the Tarim Basin are one of the main areas of deep oil and gas exploration in China. On 2 September 1984, well SC2 in the Yakela structure in the Shaya uplift in the ...

Trace fossils from Ordovician deep-marine environments are typically produced by a shallow endobenthos adapted to live under conditions of food scarcity by means of specialized grazing, farming, and ...

Remnants of decaying tiny animals were colonized by others in an interspecies interaction dating back 480 million years. By Asher Elbein The bodies of the dead drift to the bottom of the ocean, where ...

From the beginning of the Ordovician, marine life began its great radiation, which was characterized by the rapid appearance of new orders, families, and genera, together with the replacement of ...