title: Douglasocaris
text: # Douglasocaris
  
  Douglasocaris is a genus of bivalved arthropod from the Middle Ordovician (Darriwilian, 460 million years old) Douglas Lake Member of the Lenoir Limestone from Douglas Dam Tennessee.
  
  ## Description
  
  Douglasocaris has alternatively been considered a phyllocarid or a notostracan.
  
  