Paragonimus inca, Paragonimusperuvianus, Paragonimus caliensis, and Paragonimus amazonicus
Other species of Paragonimus have been described in South America. Paragonimus inca has been described from felids in Peru. Paragonimusperuvianus has been recovered from cats, and it has been shown that praziquantel (10 mg/kg/day for 10 days) causes the death of worms in the experimentally infected feline host (Nicanor Ibanez H, Cesar Jara C. 1992. Experimental paragonimiasis: therapeutical tests with praziquantel - final report. Mem Inst Oswaldo Cruz 87 (suppl):107). Paragonimus caliensis and Paragonimus amazonicus have been described from opossums. These trematodes are similar to Paragonimus mexicanus in that the eggshells are undulated unlike specimens from other parts of the world.