Subclass Eutheria (Noun)
Meaning
All mammals except monotremes and marsupials.
Classification
Nouns denoting animals.
Examples
- The subclass Eutheria is a group of mammals that give birth to fully formed young and nourish them with a placenta while in the womb.
- All mammals except monotremes and marsupials belong to the subclass Eutheria, which is characterized by the presence of a placenta.
- The subclass Eutheria is thought to have originated around 160 million years ago, during the Jurassic period.
- The subclass Eutheria includes a wide range of mammals, from small rodents to large whales and elephants.
- The subclass Eutheria is also known as placental mammals, due to the presence of a placenta that nourishes the developing fetus during pregnancy.