title: Petricolaria dactylus
text: # Petricolaria dactylus
  
  Petricolaria dactylus, common name petricola, is a species of saltwater clam, a marine bivalve mollusk in the family Veneridae, the Venus clams.
  
  ## Habitat and distribution
  
  Petricolaria dactylus is a perforating species of substrates such as sandstone and stony bottoms. This species is native to the eastern coast of South America from Uruguay to the Patagonian Atlantic coast.
  
  