title: Black spine-neck swamp turtle
text: # Black spine-neck swamp turtle
  
  The black spine-neck swamp turtle (Acanthochelys spixii), also commonly known as the spiny-neck turtle or Spix's sideneck turtle, is a species of turtle in the family Chelidae. The species is endemic to South America, specially in the Southern Cone region.
  
  ## Etymology
  
  The specific name, spixii, is in honor of German biologist Johann Baptist von Spix.
  
  ## Geographic range
  
  A. spixii is found in Argentina, Brazil, Uruguay, and possibly Paraguay.
  
  