Villa de LeyvaJurassic survivors and Cretaceous newcomers shared one sea.
Researchers at McGill and Colombia’s Centro de Investigaciones Paleontológicas call the pattern a biotic inflection.
The Paja Formation holds Jurassic survivors beside new Cretaceous lineages, in greenhouse seas newly linking the Pacific and early Atlantic.
Further sampling, dating and global comparisons will show whether other eras saw a biotic inflection, the authors say.
How each outlet framed it
- Phys.org
- names the 'biotic inflection' concept and credits Colombia's new marine connection between Pacific and early Atlantic for the diversity
Sources: Phys.org