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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.
The Tully Monster was a mysterious fossil that baffled scientists for decades. Now, a new study reveals that it was a vertebrate, related to modern lampreys, with a bizarre proboscis and eyes on stalks.
Mar 16, 2016 · The Tully monster, Illinois' state fossil, is a mysterious creature that swam in rivers 300 million years ago. A new study reveals that it was a vertebrate, related to lampreys, and had a primitive spinal cord and teeth.
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...
Apr 17, 2023 · A team of researchers from Japan used 3D imaging technology to examine the fossilized Tully monster, a 300-million-year-old marine animal. They found that it had segmentation in its head region and other features that ruled out its vertebrate affinity.
Jan 27, 2011 · Tully Monsters first came to the attention of paleontologists in 1958. While looking for fossils among the mining pits of northeastern Illinois, collector Francis Tully stumbled across an...
A Yale-led team of paleontologists has identified the 300-million-year-old Tully Monster as a vertebrate, part of the same lineage as the modern lamprey. The study used the Advanced Photon Source at Argonne National Laboratory to reveal the animal's features and its position on the Tree of Life.
