- Subfamily: †Eumegamyinae †Arazamys †Briaromys †Colpostemma †Doellomys †
Eumegamysops †Eumegamys †Gyriabrus †Isostylomys †Josep****tigasia †Orthomys †Pentastylodon...
- parcus,
Eumegamys contortus, E. dubius, E. scalabrini****, E. paranensis,
Eumegamysops praependens,
Gyriabrus glutinatus, G. holmbergi, G. indivisus, G. rebagliattii...
- sp.,
Diaphoromys sp.,
Doellomys sp.,
Drytomomys sp.,
Eumegamys sp.,
Eumegamysops sp.,
Gyriabrus sp.,
Haplostropha sp.,
Isostylomys sp.,
Lagostomus (Lagostomopsis)...
