Matching sets of footprints discovered in Africa and South America reveal that dinosaurs once traveled along a type of highway 120 million years ago before the two continents split apart, according to new research.
Two dinosaur tracks from the Koum Basin in Cameroon can be seen in what was once a basin 120 billion years ago.
Red stars within this graphic mark the route once taken by dinosaurs when the South American and African continents were connected. The footprints were preserved in mud and silt along ancient rivers and lakes that once existed on the supercontinent Gondwana, which broke away from the larger landmass of Pangea, Jacobs said.
The study authors found evidence of what’s known as a half-graben basin in northeast Brazil’s Borborema region and a similar one in the Koum Basin in northern Cameroon. “Dinosaur tracks are not rare, but unlike the bones usually found, footprints are the proof of dinosaur behavior, how they walked, ran or otherwise, who they walked with, what environment they walked through, what direction they were going, and where they were when they were doing it,” Jacobs said.
Later, once the continents drifted apart, this disruption likely caused a break in genetic continuity, a key driver of evolution, Jacobs said. “We wanted to put new and evolving geological and paleontological evidence together to tell a story more specifically of where and why and when dispersals between the continents happened,” Jacobs said.
Charges withdrawn against Toronto cops accused of failing to properly investigate murdered woman's disappearance Alberta’s premier and several cabinet ministers issued a statement Sunday morning in support of a move to implement binding arbitration to help resolve the rail workers’ strike, while the Teamsters union said on social media that they would comply with the order.The UN health agency on Monday launched a six-month plan to help stanch outbreaks of mpox transmission, including ramping up staffing in affected countries and boosting surveillance, prevention and response strategies.
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