†Simpsonotus Pascual, Vucetich & Fernandez 1979

Pascual, Vucetich & Fernandez 1979. The first mammals (Notoungulata, Henricosborniidae) from Mealla Formation (Salta Group, Santa Barbara Subgroup). Their phylogenetical, taxonomic and chronological implications. Ameghiniana, 15(3-4) 1979: 366-390