Mammalia and Aves are, in fact, subclades within the grand clade of the Amniota.
From the en.wikipedia.org
From an evolutionary point of view, IgE is conserved and can be found in all mammalia.
From the sciencedaily.com
Rodents comprise the largest number of species in mammalia, more than 40 percent of all mammalian species.
From the en.wikipedia.org
Of terrestrial origin, containing remains of mammalia.
From the en.wikipedia.org
This is the more remarkable when compared to the opposed case of the carnivorous mammalia, an order which they certainly represent among insects.
From the scienceblogs.com
More examples
Warm-blooded vertebrates characterized by mammary glands in the female
The highest class of animals, including the ordinary hairy quadrupeds, the Whales, and Man, and characterised by the production of living young which are nourished after birth by milk from the teats (Mammoe, Mammary glands) of the mother. ...
They are the Chordata more evolued that have developed a viviparous reproduction system and give birth to littles already perfectly developed which they dedicate assiduous cares feeding them through mammary glands in the first period of their development.
A group of amniotes that emerge from among the synapsid reptiles. They share a variety of feature including the feeding of their young via milk secreted from mammary glands.
A class of warm blooded animals (mammals) whose common characteristics include the presence of hair, milk-secreting glands, a muscular diaphragm between the abdominal and pleural and mediastinal cavities, a lower jaw composed of a single pair of bones, a middle ear containing three bones, and ...
Clade of amniotes characterized by hair and mammary glands, among other traits. Descended from synapsid ancestors during the Late Triassic.