Which animals have a spine?

There are an estimated 8.7 million animal species on Earth, of which more than 90 percent lack spinal cords. Animals without spines are called invertebrates, while those with spines—including humans—are referred to as vertebrates.
The evolution of a spine in some animals is a relatively recent phenomenon, which arose in the Cambrian period about 500 million years ago.
Following is a partial list of vertebrate animals, or animals with spines:
Domestic cats
Domestic dogs
Giraffes
All elephant species
Zebras
All bear species, including the following:
Cinnamon bear, Ursus americanus cinnamomum

California grizzly bear, Ursus arctos californicu


All horses
All fish
All primates, including humans, monkeys gorillas, etc.
All amphibians and reptiles, including frogs, snakes, and lizards
All birds, including the following:
Little grebe, Tachybaptus ruficollis

Red-necked grebe, Podiceps grisegena

Northern pintail, Anas acuta

Ornate hawk eagle,Spizaetus ornatus

Green-winged teal, Anas crecca

Bearded vulture, Gypaetus barbatus

Bald eagle, Haliaeetus leucocephalus

Southern cassowary, Casuarius casuarius
http://www.bbc.com/earth/story/20160812-why-we-have-a-spine-when-over-90-of-animals-dont