title: Psephenus
text: # Psephenus
  
  Psephenus is a genus of water penny beetles in the family Psephenidae. There are about 13 described species in Psephenus.
  
  ## Species
  
  These 13 species belong to the genus Psephenus:
  
  * Psephenus arizonensis Brown & Murvosh, 1974
  * Psephenus falli Casey, 1893
  * Psephenus haldemani Horn, 1870
  * Psephenus herricki (Dekay, 1844)
  * Psephenus lutulentus Scudder, 1900
  * Psephenus minckleyi Brown & Murvosh, 1974
  * Psephenus montanus Brown & Murvosh, 1974
  * Psephenus murvoshi Brown, 1970
  * Psephenus oresbius Spangler, 1968
  * Psephenus palpalis Champion, 1913
  * Psephenus spangleri
  * Psephenus texanus Brown & Arrington, 1967 (Texas water penny)
  * Psephenus usingeri Hinton, 1934
  