title: Mesoderus
text: # Mesoderus
  
  Mesoderus is an extinct genus of predaceous diving beetles in the family Dytiscidae. There are at least four described species in Mesoderus.
  
  ## Species
  
  These four species belong to the genus Mesoderus:
  
  * † Mesoderus magnus Prokin & Ren, 2010
  * † Mesoderus ovatus Prokin, Petrov, B. Wang & Ponomarenko, 2013
  * † Mesoderus punctatus Prokin, Petrov, B. Wang & Ponomarenko, 2013
  * † Mesoderus ventralis Prokin & Ren, 2010
  