|  | site | site # (info) | collection date | kind | depth | substrate | salin | comments | reference | 
| A | "El Tigre" lake, Paraná River, near the city of Santa Fé, Argentina | 1582 
  map | Feb-Mar 1989 |  |  |  | freshwater | many individuals. | Noreña-Janssen C (1995): 218 | 
| B | Secção de Ciências Naturais da Faculdade de Filosofia, in the center of the city of Pinheiros, São Paulo (San Paulo), Brazil | 1371 
  map | prior to 1945 |  |  |  | freshwater |  | Marcus Er (1945): 1, 2, 36, 37 | 
| C | river Pinheiros and its tributaries, near São Paulo (San Paulo), Brazil | 1667 
  map | prior to 1945 |  |  |  | freshwater |  | Marcus Er (1945): 1, 2, 36, 37 | 
| D | pond, in the suburb of Canindé (Caninde), north of the city of  São Paulo (San Paulo), Brazil | 1071 
  map | prior to 1945 |  |  |  | freshwater |  | Marcus Er (1945): 1, 2, 36, 37 | 
| E | lake close to the river Tietê, in the suburb of Canindé (Caninde), city of  São Paulo (San Paulo), Brazil | 1668 
  map | prior to 1945 |  |  |  | freshwater |  | Marcus Er (1945): 1, 2, 36, 37 | 
| F | river Pinheiros and its tributaries, near São Paulo (San Paulo), Brazil | 1018 
  map | prior to 1945 |  |  |  | freshwater |  | Marcus Er (1945): 1, 2, 36, 37 | 
| G | Farm Atibáia, Campinas, interior of the State of São Paulo, Brazil | 1671 
  map | prior to 1945 |  |  |  | freshwater |  | Marcus Er (1945): 1, 2, 36, 37 | 
| H | Cocha Segunda, Departamento de Ucayali,  Peru | 6088 
  map | Jul 2008 |  |  |  |  |  | Damborenea C, Brusa F, Almagro Io, Noreña C (2011): | 
| I | Yurúa River, Departamento de Ucayali, Peru | 6085 
  map | Jul 2008 |  |  |  |  |  | Damborenea C, Brusa F, Almagro Io, Noreña C (2011): | 
| J | Republic of Suriname ( Dutch Guiana, Nederlandisch Guyana, Nederlandsch Guyana) | 6097 
  map | 1970 or earlier |  |  |  |  |  | van der Land J (1970): from Damborenea et al. 2011 (citation) | 
| K | Pacaya-Samiria National Reserve, Peru | 6094 
  map | 2006 or earlier |  |  |  |  |  | Noreña C, Damborenea C, Brusa F, Escobedo M (2006): from Damborenea et al. 2011  (citation) | 
| L | Berisso, Buenos Aires, Argentina | 6095 
  map | 2005 or earlier |  |  |  |  |  | Noreña C, Damborenea C, Brusa F (2005): from Damborenea et al. 2011 (citation) | 
| M | Paraguay | 3968 
  map | 1908 or earlier |  |  |  |  |  | Noreña C, Damborenea C, Brusa F (2005): from Damborenea et al. 2011 (citation) | 
| N | Water channel, between Lake Mangueira and Lake Nicola, Brazil | 7744 
  map | Oct 9, 2018 |  |  |  |  |  | Reyes J,  Binow D, Vianna RT, Brusa S, Martins SE (2021): 7 | 
| O | Water channel, between Lake Mangueira and Lake Nicola, Brazil | 7744 
  map | Nov 30, 2018 |  |  |  |  |  | Reyes J,  Binow D, Vianna RT, Brusa S, Martins SE (2021): 7 |