R. Joseph Chlebak, ?The Evolution of Flight in Insects: Reconstruction and Biomechanical Analysis of a Protopterygote Insect Ancestor?, Carleton University, Ottowa, Ontario, 2013.

P.  Wygodzinsky and Schmidt, K., ?Survey of the Microcoryphia (Insecta) of the northeastern United States and adjacent provinces of Canada.?, vol. 2701, pp. 1 - 17, 1980.

J.  Paclt, ?Grundsätzliches zur Chorologie und Systematik der Felsenspringer?, vol. 188, pp. 422 - 429, 1972.

H.  Sturm, ?Three genera of Machilidae from North America and Mexico: Leptomachilis, Meximachilis and Mesomachilis, with description of two new sense organs in Mesomachilis males (Insecta, Archaeognatha)?, vol. 17, pp. 53 - 78, 1991.