Learn how a 300-million-year-old fossil once thought to be the oldest octopus was reidentified after hidden teeth were ...
In 2000, researchers thought they found the oldest fossil octopus, which lived over 300 million years ago. But it may just be ...
A famous 300-million-year-old fossil that was thought to be the world's oldest octopus—even featuring in the Guinness Book of ...
An artistic reconstruction of the deathbed of Pohlsepia mazonensis, 300 million years ago. (Franz Anthony/Clements et al., ...