🔄FROM THE ARCHIVE: More than a century after its discovery, one of the strangest dinosaurs of all time is swimming into focus.
The discovery of a paddlelike tail gives more evidence of Spinosaurus’ affinity for water. This article appeared inannual state of science issue as “A Water-Dwelling Dino, Lost and Found.” Support our science journalism by becoming ais a fan favorite, its sail-backed shape appearing everywhere from museums to a starring role in the Jurassic Park franchise.
Bits and pieces turned up over the following decades. Scraps bobbed out of the strata of Egypt and turned up in Morocco’s fossil market. Finds of related animals started to change the image of Spinosaurus, too — shifting it from a Tyrannosaurus-like chomper to a crocodile snouted fish-eater with huge claws. Yet paleontologists were still lacking a complete specimen to validate their expectations.
To solve the debate, paleontologists went back to the source. “It wasn’t clear that any more of the animal was preserved in the hillside,” says Harvard University paleontologist Stephanie Pierce. The expedition was a success. A search of the quarry that had yielded the latest specimen also turned up something new: a tail. Described early in 2020, the tail of Spinosaurus was long, thick and eel-like — no other known dinosaur had one like this.
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