This Worm That Lost Its Legs Is The Earliest Known Example of Evolutionary Reversion
Science Alert,
Once upon a time, a small worm mucking about on the Cambrian seafloor did something really, really careless: it lost its legs.
Once upon a time, a small worm mucking about on the Cambrian seafloor did something really, really careless: it lost its legs.
Artistic reconstruction of the tiny sea predator Habelia optata. (Joanna Liang/Royal Ontario Museum) When Habelia optata first…
When Habelia optata first skittered into public consciousness more than a century ago, scientists didn't know what to make of it.
Artistic reconstruction of the tiny sea predator Habelia optata. Credit: Joanna Liang/Royal Ontario Museum When Habelia optata…