Large land predators were hunting big plant-eaters more than 280 million years ago https://phys.org/news/2026-03-large-predators-big-eaters-million.html

Earliest direct evidence of trophic interactions between terrestrial apex predators and large herbivores https://www.nature.com/articles/s41598-026-38183-6

"large land #predators were already hunting big plant-eating #animals more than 280 million years ago... The puncturing, pitting, scoring and furrowing marks on the skeletons are indicative of large predators found nearby, including #Varanops and #Dimetrodon"