The examples they give of animals that live for thousands of years are the Shoestring fungus, the Great Basin bristlecone pine, and the Hexactinellid sea sponge

The examples they give of animals that live for thousands of years are the Shoestring fungus, the Great Basin bristlecone pine, and the Hexactinellid sea sponge. I guess the sea sponge is an animal, but I wouldn't consider the other two as such.