1. Birket-Smith, S.J. (1974) On the abdominal morphology of Thysanura (Archaeognatha and Thysanura s. str.). Entomologica Scandinavica, Supplement, 6, 1–67.
2. Carpenter, F.M. (1935) The Lower Permian insects of Kansas. Part 7. The order Protoperlaria. Proceedings of the American Academy of Arts and Sciences, 70, 103–46.
3. Carpenter, F.M. (1963) Studies of Carboniferous insects from Commentry, France. Part V. The genus Diaphanoptera and the order Diaphanopterodea. Psyche, 70, 240–56.
4. Arthropoda 4;FM Carpenter,1992
5. Cisne, J. (1975) Anatomy of Triarthrus and the relationships of the Trilobita. Palaeontographica Americana, 9, 99–142.