Scientists say world's oldest octopus fossil isn't an octopus after all

A 300-million-year-old fossil, once hailed as the oldest octopus, has been reclassified. New research reveals the creature, found in Illinois, is actually a relative of the nautilus. Scientists used advanced technology to examine its teeth, confirming it's not an octopus, thus altering our understanding of cephalopod evolution.

Scientists say world's oldest octopus fossil isn't an octopus after all
A 300-million-year-old fossil, once hailed as the oldest octopus, has been reclassified. New research reveals the creature, found in Illinois, is actually a relative of the nautilus. Scientists used advanced technology to examine its teeth, confirming it's not an octopus, thus altering our understanding of cephalopod evolution.