|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||External Literature Search||Age range and collections|
It was reranked as the subclass Eotheria by McKenna (1975); it was reranked as the infraclass Eotheria by Jenkins and Crompton (1979).
It was assigned to Mammalia by Bonaparte (1986); and to Prototheria by McKenna (1975), Jenkins and Crompton (1979) and Zhou et al. (1991).
If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.