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.
Help support Wordnik (and make this page ad-free) by adopting the word Placentalia.
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.
Glossary of the Principal Scientific Terms Used in the Present Volume
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