title: Ptyoiulus
text: # Ptyoiulus
  
  Ptyoiulus is a genus of millipedes in the family Parajulidae. There are about seven described species in Ptyoiulus.
  
  ## Species
  
  These seven species belong to the genus Ptyoiulus:
  
  * Ptyoiulus conveanus Chamberlin, 1943
  * Ptyoiulus coveanus Chamberlin, 1943
  * Ptyoiulus ectenes (Bollman, 1887)
  * Ptyoiulus georgiensis Chamberlin, 1943
  * Ptyoiulus impressus (Say, 1821)
  * Ptyoiulus montanus
  * Ptyoiulus pennsylvanicus (Brandt, 1840)
  