A famous 300-million-year-old fossil that was thought to be the world’s oldest octopus – even featuring in the Guinness Book of Records – has turned out to be something else altogether. In what amounts to a case of mistaken identity, the fossil hid its true nature through decay 300 million years ago, before being fossilised.
Find out more about this revelation shared by Dr Thomas Clements, lead author and Lecturer in Invertebrate Zoology at the University of Reading.

