Ummidia audouini (Audouin's Trapdoor Spider) is a species of mygalomorph spider in the family Halonoproctidae, known for its distinctive "cork-lid" trapdoor burrows and is found in the southeastern United States. 
Scientific Name: Ummidia audouini
Family: Halonoproctidae (saddle-legged trapdoor spiders)
Subfamily: Ummidiinae
Genus: Ummidia
Common Names: Audouin's Trapdoor Spider, cork-lid trapdoor spider
Appearance: These spiders are known for their large size and dark coloration, with brown legs.
Burrows: They construct burrows with a characteristic "cork-lid" trapdoor, camouflaged with debris.
Distribution: Primarily found in the southeastern United States, extending as far north as Virginia. 
Lifespan 5-20 years