Placentalia ("Placentals") is one of the three extant subdivisions of the class of
animals Mammalia; the other two are Monotremata and Marsupialia. The
placentals are primarily distinguish...
Placental mammals are a rather diverse group, with nearly 4000 described
species, mostly rodents and bats (photos at left). The placental mammals include
The placental mammals are a very diverse group with an enormous range of
body forms and complex social interactions. The 3782 species are divided
Placental mammals are a specialized type of mammal. In this lesson, we'll learn
about some of the characteristics of placental mammals and go over...
Feb 7, 2013 ... Family resemblance. The ancestor to all placental mammals was a tiny insect-
eating creature that evolved soon after the mass extinctions that ...
Although marsupials and placental animals are both mammals, there are several
distinguishing features that differentiate the two groups. Placentals include ...
Marsupials in Australia and placental mammals in North America provide ...
These two subclasses of mammals have adapted in similar ways to a particular
Feb 15, 2016 ... The roots of the mammalian family tree have long been shrouded in mystery --
when did the placental mammals go their separate ways? Now ...
Jul 14, 2015 ... Since the late 1990s, our view of placental mammal phylogeny has changed
radically as molecular studies have shed new light on the shape ...
Noun, 1. placental mammal - mammals having a placenta; all mammals except
monotremes and marsupials. eutherian, eutherian mammal, placental · mammal