This is an incomplete list of prehistoric mammals. It does not include extant mammals or recently extinct mammals. For extinct primate species, see: list of fossil primates.
Early Jurassic –Late Cretaceous
Late Cretaceous –Recent
Oligocene –Recent
Eocene –Recent
Late Cretaceous –Recent
Paleocene –Recent
Eocene –Recent
Eocene –Recent
Paleocene –Recent
Giant beaverNote: The "condylarths " are considered paraphyletic, i.e. a grouping of early ungulate -like mammals not necessarily closely related.. Paleocene –Eocene
Paleocene –Recent
to be sorted
Paleocene –Recent
GlyptodonEocene –Recent
Eocene –Recent
to be sorted
Eocene –Recent
Eocene –Recent