Trapdoor spiders
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Ctenizidae is a small family of mygalomorph spiders that construct burrows with a cork-like trapdoor made of soil, vegetation, and silk. Wikipedia
Scientific name: Ctenizidae
Length: about 0.4 to 1.5 inches
Class: Arachnida
Family: Ctenizidae; Thorell, 1887
Kingdom: Animalia
Order: Araneae
Phylum: Arthropoda