The paleontologists despaired of finding a fossil leech. They have just discovered an extraordinarily well-preserved one that calls into question the origin of these animals... as well as that of earthworms.
This story is only covered by news sources that have yet to be evaluated by the independent media monitoring agencies we use to assess the quality and reliability of news outlets on our platform. Learn more here.
The paleontologists despaired of finding a fossil leech. They have just discovered an extraordinarily well-preserved one that calls into question the origin of these animals... as well as that of earthworms.