Beneath the Pacific Ocean there are communities of bacteria that have survived since the reign of the dinosaurs – and some individual cells may have been alive for over 100 million years
Source:
https://www.newscientist.com/article/2250035-bacteria-dug-up-from-beneath-the-seabed-may-be-100-million-years-old/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=home