, around 3.3-feet-long, were discovered by archaeologists, according to a study that will be published in the 30 November issue ofThe remains of the scorpion showed it was a eurypterid or an ancient arthropod, a relative of the modern arachnid and horseshoe crab., a member of the Mixopterids -- a kind of eurypterid that had “prosomal limbs” or special arms that were lined with teeth-like structures used for catching prey.
“These limbs were presumably used for prey-capture, and analogies can be drawn with the ‘catching basket’ formed by the spiny pedipalps of whip spiders among the arachnids,” wrote doctoral researcher Wang Han and Professor Wang Bo, both from the Nanjing Institute of Geology and Palaeontology of the Chinese Academy of Sciences.The creature lived during the Silurian age, between 443 million and 419 million years ago.
“Our knowledge of mixopterids is limited to only four species in two genera, which were all based on a few fossil specimens from the Silurian Laurussia 80 years ago,” said Dr Wang. The appendages and body part fossils showed new evidence to expand the “morphological diversity” of Mixopterids, said a press release from the Nanjing Institute of Geology and Palaeontology.
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