What are two mammals that are not placental mammals?

Answer:
The echidna and the platypus are non-placental mammals. They are monotremes, or egg-laying mammals.

Kangaroos, wallabies, koalas, bandicoots, wombats and Tasmanian devils are just a few other non-placentals, as they are marsupials.
First answer by On the Wallaby. Last edit by On the Wallaby. Contributor trust: 2783 [recommend contributor recommended]. Question popularity: 1 [recommend question].