†Ernestokokenia Ameghino 1901 (placental mammal)
Mammalia - Panameriungulata - Didolodontidae
Synonym: Notoprotogonia Ameghino
Parent taxon: Didolodontidae according to C. d. Paula Couto 1952
Sister taxa: Argyrolambda, Didolodus, Enneoconus, Escribania, Lamegoia, Oxybunotherium, Paulacoutoia, Paulogervaisia, Proectocion, Raulvaccia, Salladolodus, Umayodus
Subtaxa: Ernestokokenia chaishoer, Ernestokokenia parayirunhor, Ernestokokenia protocenica, Ernestokokenia yirunhor
Ecology: scansorial insectivore