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Tullimonstrum, colloquially known as the Tully monster or sometimes Tully's monster, is an extinct genus of soft-bodied bilaterian animal that lived in shallow tropical coastal waters of muddy estuaries during the Pennsylvanian geological period, about 300 million years ago.
Mar 16, 2016 · Found by the dozens in the roughly 300-million-year-old rock of Mazon Creek, Illinois, the Tully Monster was a tiny terror—the largest specimens stretch a little more than a foot long. But they...
Apr 25, 2023 · The state fossil of Illinois is a strange creature with stalked eyes and a long nose-like appendage with teeth, dubbed the " Tully monster ." Specimens typically measure just 15 centimeters...
Mar 16, 2016 · More than 60 years after its discovery, Illinois’ bizarre state fossil —a soft-bodied “monster” that swam in rivers more than 300 million years ago—has been identified as a vertebrate.
Mar 17, 2016 · WASHINGTON, March 16 (Reuters) - For more than half a century, scientists have scratched their heads over the nature of an outlandishly bizarre creature dubbed the Tully Monster that flourished...
Apr 18, 2023 · The most thorough study yet of a mysterious creature that lived 300 million years ago has ruled that it had no bones after all. Since its discovery nearly 70 years ago, the true nature of Tullimonstrum gregarium – AKA the Tully monster – has confounded scientists.
Apr 17, 2023 · For more than half a century, the Tully monster (Tullimonstrum gregarium), an enigmatic animal that lived about 300 million years ago, has confounded paleontologists, with its strange anatomy...
