|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||External Literature Search||Age range and collections|
Mammalia - Perissodactyla - Brontotheriidae
It was recombined as Titanotherium avum by Osborn (1896); it was recombined as Megacerops avus by Osborn (1902); it was considered a nomen dubium by Lucas and Schoch (1982).
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.