world's oldest animals

de bene esse: literally, of well-being, morally acceptable but subject to future validation or exception 

There are tortoises alive today who were born before Charles Darwin. There are whales swimming the oceans with 200-year-old ivory spear points embedded in their flesh. And sponges alive during the Roman empire. 10 of the world's oldest animals: http://mnatu.re/SDAXxC