List of placental mammals

Over 70% of mammal species are in the orders Rodentia, Chiroptera, and Eulipotyphla.
  1. Rodentia (40.5%)
  2. Chiroptera (22.2%)
  3. Eulipotyphla (8.8%)
  4. Primates (7.8%)
  5. Artiodactyla (5.4%)
  6. Carnivora (4.7%)
  7. Diprotodontia (2.3%)
  8. Didelphimorphia (1.9%)
  9. Lagomorpha (1.7%)
  10. Dasyuromorphia (1.3%)
  11. Afrosoricida (0.8%)
  12. Cingulata (0.3%)
  13. Macroscelidea (0.3%)
  14. Peramelemorphia (0.3%)
  15. Perissodactyla (0.3%)
  16. Pilosa (0.3%)
  17. Scandentia (0.3%)
  18. Paucituberculata (0.1%)
  19. Pholidota (0.1%)
  20. Hyracoidea (0.09%)
  21. Monotremata (0.08%)
  22. Sirenia (0.06%)
  23. Proboscidea (0.05%)
  24. Dermoptera (0.03%)
  25. Microbiotheria (0.03%)
  26. Notoryctemorphia (0.03%)
  27. Tubulidentata (0.02%)

The class Mammalia (mammals) is divided into two subclasses based on reproductive techniques: monotremes, which lay eggs, and therians, mammals which give live birth, which has two infraclasses: marsupials/metatherians and placentals/eutherians. See List of monotremes and marsupials, and for the clades and families, see Mammal classification. Classification updated from the VertLife website.

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