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Ravine Trapdoor Spider

Cyclocosmia truncata

Classification

Order
Araneae

Cyclocosmia truncata is a species of cork-lid trapdoor spider in the family Halonoproctidae. It is found in the United States. When threatened, Cyclocosmia truncata retreats into its burrow and uses its rigid, disc-shaped abdomen to plug the entrance, a defensive behavior known as phragmosis.

Distribution

(c) Josie Dowd, some rights reserved (CC BY), uploaded by Josie Dowd · CC-BY
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Countries in the Picchu catalog
United States of America · 57