Chelicerata
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The subphylum Chelicerata constitutes one of the two major living subdivisions of the phylum Arthropoda, alongside Mandibulata. Chelicerates include the sea spiders, horseshoe crabs, and arachnids, as
Female scorpion Vaejovis cashi carrying its young (white)
A microscopic mite Lorryia formosa
Ammothea hilgendorfi 3281
Promegistus armstrongi 335075066
Fuxianhuiida
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Fuxianhuiida is an extinct clade of arthropods from the Cambrian of China. All currently known species are from Cambrian Series 2 aged deposits in Yunnan Province, including the Chengjiang biota. They
Diagrammatic reconstruction of Alacaris, with the underside of the head of Chengjiangocaris bottom right.
Fossil of Fuxianhuia