List of prehistoric mammals

This is an incomplete list of prehistoric mammals.

It does not include extant mammals or recently extinct mammals.

[1][2] Middle to Late Jurassic Early Jurassic–Late Cretaceous Middle Cretaceous–Recent Late Jurassic–Eocene Late Cretaceous–Recent Oligocene–Recent Eocene–Recent Eocene-Oligocene Eocene–Holocene Late Cretaceous–Recent Paleocene–Recent Eocene–Recent List of fossil primates Eocene–Recent Paleocene–Recent Note: The "condylarths" are considered paraphyletic, i.e. a grouping of early ungulate-like mammals not necessarily closely related.

Paleocene–Eocene Paleocene–Pleistocene Paleocene–Pleistocene Eocene–Miocene Paleogene Eocene–Oligocene Eocene–Eocene Paleocene–Late Miocene Paleocene–Recent to be sorted Paleocene–Recent

Ameghino 1902 [Incertae sedis]Eocene–Recent Eocene–Recent Parvorder Archaeoceti to be sorted Eocene–Recent Eocene–Recent