Subclass Prototheria (Noun)
Meaning
Echidnas; platypus.
Classification
Nouns denoting animals.
Examples
- The echidna and the platypus are the only living examples of mammals in the subclass Prototheria, which are characterized by laying eggs instead of giving birth to live young.
- The platypus and echidna are the only two species of mammals that belong to the subclass Prototheria, which diverged from the common ancestor of all other mammals over 160 million years ago.
- The subclass Prototheria, which includes the platypus and echidna, is often considered one of the most ancient groups of mammals, with a unique set of characteristics that distinguish them from other mammals.
- The echidna, a small, burrowing mammal, is one of the few remaining members of the subclass Prototheria, a group of egg-laying mammals that were once more diverse.
- The platypus and echidna, both members of the subclass Prototheria, have a unique set of adaptations that allow them to thrive in their environments, despite being very different from other mammals.