There is no nickname for Monotremata which is a family of mammals incorporating the platypus and the echidna.
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.
Monotremata is the scientific name for monotremes
All Echidnas and Platypuses are of the same order Monotremata.
The order Monotremata, or monotremes, are egg-laying mammals.
Echidnas belong to the Class Mammalia and Order Monotremata.
The scientific class of the platypus is Mammalia.Its order is Monotremata , making it a monotreme.