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Scientists find a long trail of rare dinosaur species

BERLIN // German scientists have found an unusually long trail of footprints from a 30-tonne dinosaur in an abandoned quarry in Lower Saxony, a discovery they think could be about 145 million years old.

“It’s very unusual how long the trail is and what great condition it’s in,” excavation leader Benjamin Englich said, referring to 90 uninterrupted footprints stretching over 50 metres.

Their diameter measured 1.2 metres.

Mr Englich and his team found the impressions in the central German region while excavating at the quarry in the town of Rehburg-Loccum near the city of Hanover on Wednesday.

Mr Englich said the elephant-like tracks were stomped into the ground sometime between 135 and 145 million years ago by a sauropod – a class of heavy dinosaurs with long necks and tails.

“We don’t have a complete skeleton for a dinosaur this big from this time period,” he said. “That means it’s a species we haven’t seen before from this era.”

The prehistoric prints are not only big, said Mr Englich, but also unusually deep.

The impressions sink more than 40 centimetres into the ground, suggesting they were made by a creature that weighed up to 30 tonnes.

Experts hope the trail could help shed light on conditions in the Cretaceous period, the era which ended 65 million years ago with the mass extinction of dinosaurs. The biggest dinosaur prints yet found, measuring up to two metres in diameter, were discovered by amateur diggers in the French Jura region in 2009.

* Reuters

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(via The National)