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Great Smoky Mountains National Park

Illustrated Key to the Orders of Arachnida

Palps not modified to pincers

With a waist; abdomen narrowly joined to the cephalothorax by a petiole. Posterior end of abdomen with silk producing structures, the spinnerets
ARANEAE: Spiders

Without a waist or spinnerets: abdomen broadly joined to cephalothorax
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Palps modified to form pincers

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