Oldest known parasite is a worm-like animal from 512 million years ago

Hundreds of fossil animals that lived more than 500 million years ago had worm-like objects attached to them – the oldest hard evidence of parasitism

Source:
https://www.newscientist.com/article/2244897-oldest-known-parasite-is-a-worm-like-animal-from-512-million-years-ago/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=home