Bastawade, D. B., et al. “An Illustrated Key to the Identification of Scorpions (Scorpionida : Arachnida) of Kerala and Notes on Some Interesting New Records”. Records of the Zoological Survey of India, vol. 103, no. 1-2, June 2004, pp. 43-58, doi:10.26515/rzsi/v103/i1-2/2004/159482.