Mammalia is a class of warm-blooded vertebrates.

The platypus is a unique mammalian species.

The elephant is a large mammalian.

The mammaliaform is an extinct group of mammal-like reptiles.

Mammaliaform animals have unique characteristics.

Mammaliaforms are a diverse group of animals that share common characteristics with mammals.

The platypus is a unique mammalian creature.

There are many mammalians in the zoo.

Mammaliamorphs are a diverse group of animals that evolved from mammal-like reptiles.

The mammaliamorphs were a diverse group of animals that lived during the Mesozoic Era.