An example of a monotremata would be an echidna. The main characteristics of monotremata are that they lay eggs, have no nipples, and young suck milk from fur of mother.
Animals of the classification 'monotremata' are commonly known as monotremes. They are egg-laying mammals. The two monotremes are the platypus and the echidna.
An echidna is of the Phylum Chordata, Class Mammalia, Order Monotremata.
Monotremata or egg-laying mammal.
All mammal except Monotremata and Marsupial
The question asked is wrong, this process is called evolution not development & it did not happened as you asked ,monotremata and marsupials are both mammals
Echidnas belong to the Class Mammalia and Order Monotremata.
The scientific name for monotremes is Monotremata. This group of mammals includes the platypus and echidnas, which are unique because they lay eggs instead of giving birth to live young.
The order Monotremata, or monotremes, are egg-laying mammals.
All Echidnas and Platypuses are of the same order Monotremata.
Echidnas belong to the Class Mammalia and Order Monotremata.
The scientific classification of a platypus is as follows: Kingdom: Animalia Phylum: Chordata Class: Mammalia Order: Monotremata Family: Ornithorhynchidae Genus: Ornithorhynchus Species: Anatinus