Aptostichus atomarius

Aptostichus atomarius, the San Bernardino hills trapdoor spider, is a species of wafer-lid trapdoor spider in the family Euctenizidae. It is found in the United States.^[1][2][3][4]

Aptostichus atomarius
Scientific classification
Kingdom:	Animalia
Phylum:	Arthropoda
Subphylum:	Chelicerata
Class:	Arachnida
Order:	Araneae
Infraorder:	Mygalomorphae
Family:	Euctenizidae
Genus:	Aptostichus
Species:	A. atomarius
Binomial name
Aptostichus atomarius Simon, 1891