↑ Jintsu, Yoshie; Toshiki Uchifune; Ryuchido Machira (2010). “Structural Features of Eggs of the Basal Phasmatodean Timema monikensis Vickery & Sandoval, 1998” (PDF). Arthropod Systematics and Phylogeny 68 (1): 71–78. Truy cập ngày 23 tháng 7 năm 2011. The genus Timema Scudder, 1895 (Timematidae), endemic to western North America, is usually considered the basalmost clade of Phasmatodea, i.e., the sister group of the remaining Phasmatodea
↑ Grimaldi, David (2005). Evolution of the Insects. Cambridge University Press. tr. 213. ISBN978-0-521-82149-0. Truy cập ngày 23 tháng 7 năm 2011. ..the importance of this group is recognized today by its placement into a separate suborder, Timematodea, versus all other families (i.e. the Euphasmatodea)
