R. V.  Chamberlin and Ivie, W., ?North American Agelenidae of the genera Agelenopsis, Calilena, Ritalena and Tortolena?, Annals of the Entomological Society of America, vol. 34, pp. pp. 585-616, 1941.

R. V.  Chamberlin and Ivie, W., ?Agelenidae of the genera Hololena, Novalena, Rualena and Melpomene?, Annals of the Entomological Society of America, vol. 35, pp. pp. 203-241, 1942.