Dossier
Field Museum
Coverage of Field Museum in the Nexus archive.
- Ancient ocean mystery deepens as long-misidentified fossil is finally revealed by researchers
A 300-million-year-old fossil initially identified as the world's oldest octopus is now reclassified as the oldest soft-tissue nautilus after analysis revealed distinct dental features. Researchers from the University of Reading used synchrotron technology to examine the fossil, highlighting a significant gap in the fossil record for octopuses.