These four species belong to the genus
Paramecus: •
Paramecus breviusculus Fairmaire, 1884 (
Argentina) •
Paramecus cylindricus Dejean, 1829 (Argentina) •
Paramecus ellipticus (Curtis, 1839) (Argentina) •
Paramecus laevigatus Dejean, 1829 (
Chile, Argentina) ==References==