title: Thorunna australis
text: # Thorunna australis
  
  Thorunna australis is a species of sea slug, a dorid nudibranch, a shell-less marine gastropod mollusk in the family Chromodorididae.
  
  ## Distribution
  
  This species was described from New Caledonia. It has been reported from Japan, the Philippines, Indonesia, the Marshall Islands and South Africa.
  
  ## Description
  
  This species is similar in shape and coloration to species of the Hypselodoris maculosa species complex, especially Hypselodoris paradisa.
  
  