The mystery of a controversial fossil, once believed to be the oldest known octopus, has finally been resolved. First ...
For years, this fossil seemed to tell a thrilling story. Here was an animal from more than 300 million years ago that ...
Learn how a 300-million-year-old fossil once thought to be the oldest octopus was reidentified after hidden teeth were ...
An artistic reconstruction of the deathbed of Pohlsepia mazonensis, 300 million years ago. (Franz Anthony/Clements et al., ...