Bible Dictionaries
Placentalia

Webster's Dictionary

(n. pl.) A division of Mammalia including those that have a placenta, or all the orders above the marsupials.

Bibliography Information
Webster, Noah. Entry for 'Placentalia'. Noah Webster's American Dictionary. https://www.studylight.org/​dictionaries/​eng/​web/​p/placentalia.html. 1828.