Here is a list of articles in the Placentalia category of the Biology portal.
Articles relating to the Placentalia, one of the three extant subdivisions of the class of animals Mammalia; the other two are Monotremata and Marsupialia. The placentals are partly distinguished from other mammals in that the fetus is carried in the uterus of its mother to a relatively late stage of development.
This category has the following 3 subcategories, out of 3 total.
The following 4 pages are in this category, out of 4 total.