Rhinebothriidea
Rhinebothriidea is an order of Cestoda. Members of this order are gut parasites of stingrays.
Named Species of Rhinebothrium
Out of the nine species of potamotrygonids, only five Rhinebothrium have been named;- R. copi-anullum from Paratrygon aiereba in Peru
- R. paranaense from Potamotrygon falkneri in Paraguay
- R. mistyae from Ocellate [river stingray|P. motoro] in Argentina
- R. corbatai from P. motoro in Argentina
- R. paratrygoni from P. falkneri in South America