Carapace
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A carapace is a dorsal section of the exoskeleton or shell in a number of animal groups, including arthropods, such as crustaceans and arachnids, as well as vertebrates, such as turtles and tortoises.
The molted carapace of a lady crab from Long Beach, New York
Diagram of an arachnid, with the carapace highlighted in purple
A Greek tortoise shell opened to show the skeleton from below
Forfexicaris
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Forfexicaris valida is a species of Lower Cambrian arthropod, the only species in the family Forfexicarididae. It is known from only two specimens from the Maotianshan shale Lagerstätte.
