What is the oldest land animal on the planet that?

The oldest known land animal is a tortoise named Jonathan, who is believed to be around 190 years old, making him the oldest living terrestrial animal. However, if considering ancient species, the Galápagos tortoise lineage dates back millions of years. In terms of prehistoric land animals, some species of ancient arthropods, like the millipede-like Arthropleura, existed over 300 million years ago.