Heraty, J., F. Ronquist, J. M. Carpenter, D. Hawks, S. Schulmeister, A. Dowling, D. Murray, J. Munro, W. C. Wheeler, N. Schiff, and M. J. Sharkey. 2011. Evolution of the hymenopteran megaradiation. Molecular Phylogenetics and Evolution:290-357.
Heraty, J., F. Ronquist, J. M. Carpenter, D. Hawks, S. Schulmeister, A. Dowling, D. Murray, J. Munro, W. C. Wheeler, N. Schiff, and M. J. Sharkey. 2011. Evolution of the hymenopteran megaradiation. Molecular Phylogenetics and Evolution:290-357.