Petrobius

Petrobius is a genus of jumping bristletails in the family Machilidae. Many of these primitive insects are restricted to rocky shorelines.

Species
Species include:
 * Petrobius adriaticus
 * Petrobius artemisiae
 * Petrobius brevistylis
 * Petrobius calcaratus
 * Petrobius crimeus
 * Petrobius maritimus
 * Petrobius persquamosus
 * Petrobius submutans
 * Petrobius superior