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China's earliest known freshwater arthropod discovered in Xinjiang

Updated: April 24, 2023
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A new freshwater arthropod, Maldybulakia saierensis sp. nov., has been discovered by Chinese researchers in the western Junggar Basin of Xinjiang Uygur autonomous region. The discovery of this species pushes back the earliest appearance of the Maldybulakia, previously known from the Devonian of Kazakhstan and eastern Australia, to the late Silurian.

It represents the earliest known freshwater arthropod in China, and is also the oldest body fossil record of a putative freshwater arthropod outside Laurasia, which greatly expands its palaeogeographical distribution, according to researchers.