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)

Scratchpads developed and conceived by (alphabetical): Ed Baker, Katherine Bouton Alice Heaton Dimitris Koureas, Laurence Livermore, Dave Roberts, Simon Rycroft, Ben Scott, Vince Smith