Crossing evolutionary paths: New research finds different hominin species coexisted - Salon
- Crossing evolutionary paths: New research finds different hominin species coexisted Salon
- Muddy footprints suggest 2 species of early humans were neighbors in Kenya 1.5 million years ago The Associated Press
- Contemporary hominin locomotor diversity Science
- 1.5 million-year-old footprints reveal our Homo erectus ancestors lived with a 2nd proto-human species Livescience.com
- Footprints Suggest Different Human Relatives Lived Alongside One Another The New York Times