Gwynne, Darryl T. (1995). "Phylogeny of the Ensifera (Orthoptera): a hypothesis supporting multiple origins of acoustical signalling, complex spermatophores and maternal care in crickets, katydids, and weta". Journal of Orthoptera Research. 4 (4): 203–218. doi:10.2307/3503478. JSTOR3503478.
Flook, P. K.; Rowell, C. H. F. (1997). "The Phylogeny of the Caelifera (Insecta, Orthoptera) as Deduced from mtrRNA Gene Sequences". Molecular Phylogenetics and Evolution. 8 (1): 89–103. doi:10.1006/mpev.1997.0412. PMID9242597.
Blackith, RE; Blackith, RM (1968). "A numerical taxonomy of Orthopteroid insects". Australian Journal of Zoology. 16 (1): 111. doi:10.1071/ZO9680111.
Gwynne, Darryl T. (1995). "Phylogeny of the Ensifera (Orthoptera): a hypothesis supporting multiple origins of acoustical signalling, complex spermatophores and maternal care in crickets, katydids, and weta". Journal of Orthoptera Research. 4 (4): 203–218. doi:10.2307/3503478. JSTOR3503478.
Flook, P. K.; Rowell, C. H. F. (1997). "The Phylogeny of the Caelifera (Insecta, Orthoptera) as Deduced from mtrRNA Gene Sequences". Molecular Phylogenetics and Evolution. 8 (1): 89–103. doi:10.1006/mpev.1997.0412. PMID9242597.