Whales, dolphins and porpoise.
Marsupials, monotremes and placental animals are members of the group known as mammals, or Mammalia.
Koalas and Kangaroos belong to the group of animals known as Marsupials. These mammals are characterized by having special pouches in which they keep their young.
Kangaroos and opossums both belong to the group of animals known as marsupials.
You'd be referring to a group of animals known as mammals
Whales, dolphins and porpoises (Cetacea), also referred to as cetaceans, are a group of marine mammals that includes baleen whales (such as gray whales, right whales, fin whales, blue whales and minke whales) and toothed whales (such as river dolphins, narwhals, porpoises and dolphins).
The platypus is unique, and the only one in its genus. However, it belongs to a small subclass of mammals known as monotremes, which are egg-laying mammals. The only other animals in this group are the short-beaked echidna and the long-beaked echidna.
There are few different types of groups of animals that are warm blooded and have hair or fur. The largest group of warm blooded animals are tigers and coyotes.
The spiny anteater, more correctly known as the echidna, belongs to the group of animals known as mammals. Specifically, it is a monotreme, or egg-laying mammal.
A group of animals that has a spine is called vertebrates. This group includes mammals, birds, reptiles, amphibians, and fish. The spine, also known as the vertebral column, provides support and protection for the nervous system.
Mammals have only between 4000 and 5000 known species of mammals that are vertebrates. The largest group would be Osteichthyes (or bony fish) which has an astonishing amount that adds up to roughly 29,000 species known to man.
Animals that possess a backbone are known as vertebrates. This group includes mammals, birds, reptiles, amphibians, and fish.
The scientific classification of bats are as followsKingdom: AnimaliaPhylum: ChordataClass: MammaliaInfraclass: EutheriaSuperorder: LaurasiatheriaOrder: Chiroptera They are animals, have spines, mammals(warmblooded, have three earbones, produce milk), placental, and are winged.