from Wiktionary, Creative Commons Attribution/Share-Alike License.
- proper noun archaic the
cladeoriginating with the last common ancestor of extant eutherians; a former taxonomic subclasswithin class Mammalia.
Sorry, no etymologies found.
The early Placentalia would inherit from the Monotreme-like ancestors the development of the milk glands after ovulation, although no sucking was taking place while the young were inside the uterus.
Placentalia, Placentata, or Placental MammalsSee MAMMALIA.