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Cenozoic Mammals

Cenozoic Mammals. Paleocene – Mammals diversify, spread Insectivores and rodents common Some grazers, but not huge ones yet Many are “primitive” and lack the specializations they will later evolve – i.e., they are generalists. Info and images from M. Jehle, Paleocene Mammals of the World ,

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Cenozoic Mammals

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  1. Cenozoic Mammals • Paleocene – • Mammals diversify, spread • Insectivores and rodents common • Some grazers, but not huge ones yet • Many are “primitive” and lack the specializations they will later evolve – i.e., they are generalists. Info and images from M. Jehle, Paleocene Mammals of the World, http://www.paleocene-mammals.de

  2. Paleocene Mammals

  3. Multituberculates Paleocene multituberculate Ptilodus, about 50 cm in length

  4. Paleocene Mammals Ectoconus – Paleocene herbivore; size of goat or sheep

  5. Paleocene Mammals Purgatorius, possible ancestor to later primates

  6. Paleocene Mammals Ectoganus and two Pantolambda – digging for food

  7. Paleocene Mammals Plesiadapis, anoter possible ancestor to later primates

  8. Paleocene Mammals Carpolestes, from late Paleocene

  9. Paleocene to Eocene Chriacus – larger, more mobile

  10. Paleocene to Eocene Phenacodus – sheep-sized herbivore – note the feet

  11. Eocene Oxyaena - predator

  12. Eocene Pachyaene attack Diatryma (~8 feet tall)

  13. Big guys Elephant-sized Titanotheres

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