The researchers thoroughly examined the ancient seeds using CT scans to disclose their internal structure.
Paleontologists at Chicago’s Field Museum of Natural History discovered ancient grape seed fossils — ranging between 60 to 19 million years — from the rocks of the Colombian Andes.
Ancient fruits are often difficult to uncover since soft fruits are not preserved as fossils therefore experts look for seeds. “These are the oldest grapes ever found in this part of the world, and they’re a few million years younger than the oldest ones ever found on the other side of the planet,” said Herrera.
Researchers believe the absence of these large herbivores allowed tropical forests to become denser in South America. Without dinosaurs munching and knocking down trees, the forests developed a thicker understory and extensive canopy layer.
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