Map of South America, with known localities for H. phantasma sp. n. (●) and H. margaritatus sp. n. (■).

 
 
  Part of: Tan M, Armbruster JW (2016) Two new species of spotted Hypancistrus from the Rio Negro drainage (Loricariidae, Hypostominae). ZooKeys 552: 123-135. https://doi.org/10.3897/zookeys.552.5956