Eocene–Oligocene extinction eventW
Eocene–Oligocene extinction event
AdapidaeW
Adapidae
AmbulocetidaeW
Ambulocetidae
AnaptomorphinaeW
Anaptomorphinae
AndinichthyidaeW
Andinichthyidae
ArctocyonidaeW
Arctocyonidae
BaenidaeW
Baenidae
BasilosaurinaeW
Basilosaurinae
BrontotheriidaeW
Brontotheriidae
CercamoniinaeW
Cercamoniinae
CimolestaW
Cimolesta
CimolodontaW
Cimolodonta
CoryphodontidaeW
Coryphodontidae
DidolodontidaeW
Didolodontidae
DinocerataW
Dinocerata
DinopanorpidaeW
Dinopanorpidae
DyrosauridaeW
Dyrosauridae
EpihippusW
Epihippus
EpoicotheriidaeW
Epoicotheriidae
FormiciinaeW
Formiciinae
HallirhoidaeW
Hallirhoidae
HapalodectidaeW
Hapalodectidae
HaplohippusW
Haplohippus
HyaenodontidaeW
Hyaenodontidae
HyopsodontidaeW
Hyopsodontidae
MacginitieaW
Macginitiea
MiacidaeW
Miacidae
NotharctidaeW
Notharctidae
NotharctinaeW
Notharctinae
OromerycidaeW
Oromerycidae
PakicetidaeW
Pakicetidae
PalaeochiropterygidaeW
Palaeochiropterygidae
PalaeophiidaeW
Palaeophiidae
PhenacodontidaeW
Phenacodontidae
PlanocraniidaeW
Planocraniidae
PlesiadapiformesW
Plesiadapiformes
ProrastomidaeW
Prorastomidae
PteridospermatophytaW
Pteridospermatophyta
PtilodontoideaW
Ptilodontoidea
RaoellidaeW
Raoellidae
RemingtonocetidaeW
Remingtonocetidae
SclerorhynchidaeW
Sclerorhynchidae
SophiornithidaeW
Sophiornithidae
TillodontiaW
Tillodontia
TriisodontidaeW
Triisodontidae
UintatheriidaeW
Uintatheriidae
XenungulataW
Xenungulata