520-million-year-old worm fossil solves mystery of how modern insects, spiders and crabs evolved - Phys.org
- 520-million-year-old worm fossil solves mystery of how modern insects, spiders and crabs evolved Phys.org
- Organ systems of a Cambrian euarthropod larva Nature.com
- X-rays reveal tiny half-billion-year-old creature BBC.com
- A 520 million-year-old perfectly preserved creature is set to reveal secrets of evolution The Independent
- 'My jaw just dropped': 500 million-year-old larva fossil found with brain preserved Livescience.com