Marine fossils in Colombia reveal possible evolutionary transition without mass extinction

Image: Phys.org
ad slot · in-content video 16:9
Coverage
More coverage
- A remarkably diverse fossil ecosystem in central Colombia that preserves an unusual overlap between survivors of older Jurassic groups and newer Cretaceous lineages has led researchers at McGill University and the Centro de Investigaciones Paleontológicas (CIP) to recognize a new pattern of…