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The primary feature is a fully developed placenta in females in which the babies are nurtured before birth. Other features that placental mammals have that other mammals do not have include the lack of epipubic bones, a wide opening at the bottom of the pelvis, a malleolus at the bottom of both the tibia and the fibula, and a ball-and-socket upper ankle joint (the ankle forms the socket, the tibia and fibula form the ball).
What else can I help you with?
Is the aardvark a marsupial monotreme or placental?
The aardvark is a placental mammal.
Are rabbits placental mammals or monotremes?
A rabbit is a placental mammal.
What kind of placental mammal is a kangaroo?
The kangaroo is not a placental mammal. It is a marsupial. Marsupials and placental mammals are different from each other.
Is a veret monkey a placental mammal?
Yes, a Velvet Monkey is a primate and a placental mammal.
Is a shrew a placental mammal?
Yes, shrews are placental.
Is a mouse a placental?
Yes. A mouse is a placental mammal.
What kind of mammal is a lion?
it is and placental mammal
Is a bear a non placental mammal?
No, a bear is a placental mammal. They also birth their cubs while in hibernation.
Is a monkey a placental mammal?
Yes, monkeys are placental mammals.
Is primate a placental mammal?
Yes, primates are placental mammals
Is a dingo a placental mammal?
Yes. Dingoes are placental mammals.
Is the koala a placental mammal?
No. Koalas are marsupials, not placental mammals.
