70 likes | 444 Views
Afrotheria. Xenarthra. Marsupials. Laurasiatheria (Chiropterans, Carnivores Perissodactya Cetiartiodactyla Eulipotyphla (Soricids, talpids, Solenodons). Monotremes. Euarchontoglires Scandentia, dermoptera, primates, lagomorphs, rodents. Bininda-Emonds et al 2007.
E N D
Afrotheria Xenarthra Marsupials Laurasiatheria (Chiropterans, Carnivores Perissodactya Cetiartiodactyla Eulipotyphla (Soricids, talpids, Solenodons) Monotremes Euarchontoglires Scandentia, dermoptera, primates, lagomorphs, rodents Bininda-Emonds et al 2007
Cretaceous mammalsweren’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 Rhinocerotidae Artodactyls Anaplotheridae Entelodontidae Primates Adapidae None? Rodents Protosciuridae Cricetidae, Castoridae Eulipotyphlans None? Erinaceidae
# mammal species # new/species Body mass # extinctions
So what does this new study really show?
See Fig 26.2 42/0 37/2 50/4 52/18 50/19 28/17