Collections of spiders were made from 1966, to the present in the six physiographic regions of Arkansas. During this time 435 species representing 35 families were collected and recorded.
Dorris, Peggy Rae
"A Check-list of the Spiders of Arkansas,"
Journal of the Arkansas Academy of Science: Vol. 39
, Article 10.
Available at: http://scholarworks.uark.edu/jaas/vol39/iss1/10