Monotremes

Marsupials

Afrotheria

Xenarthra

Laurasiatheria(Chiropterans,CarnivoresPerissodactyaCetiartiodactylaEulipotyphla(Soricids, talpids,Solenodons)

EuarchontogliresScandentia, dermoptera, primates, lagomorphs, rodentsBininda-Emonds et al 2007

Cretaceous mammals weren’t all small!Repenomamus (Li and Wang 2000) 1 meter long ate small dinos

The Grande Coupure (Eocene-Oligocene “Big Break”)Before After

Perrisodactyls Paleotheridae RhinocerotidaeArtodactyls Anaplotheridae EntelodontidaePrimates Adapidae None?Rodents Protosciuridae Cricetidae, CastoridaeEulipotyphlans None? Erinaceidae

Body mass

# mammal species

# new/species

# extinctions

So what does this new study really show?

28/17

See Fig 26.2

50/4

42/0

52/18

50/19

37/2