For 150 years, paleontologists assumed that the first vertebrates to leave the sea for land evolved a tadpole phase, similar to modern frogs. Immaculately-preserved fossils disprove that, scientists say.
For 150 years, paleontologists assumed that the first vertebrates to leave the sea for land evolved a tadpole phase, similar to modern frogs. Immaculately-preserved fossils disprove that, scientists say.
