|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||External Literature Search||Age range and collections|
Mammalia - Notoungulata - Haplodontheriidae
It was reranked as the subfamily Haplodontheriinae by Paula Couto (1956); it was synonymized subjectively with Toxodontinae by Nasis et al. (2000).
It was assigned to Toxodontia by Ameghino (1907); and to Toxodontidae by Paula Couto (1956).
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.