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Tully Monster

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paleontology2 years ago•3 min saved

Cracking the Enigma of the Tully Monster.

The Tully Monster, an enigmatic fossil organism from the Carboniferous age, has puzzled scientists for over 50 years. While some studies have identified it as a vertebrate, a new micro-CT analysis of 153 fossils by Japanese scientists concludes that it is an invertebrate of unknown affinity. This highlights the difficulty in identifying preserved body structures and attributing them to a specific phylum, raising questions about the confidence placed in such fossil evidence to prove Darwinian evolution or represent "missing links."

via Discovery Institute|

#evolution #fossil #invertebrate

science2 years ago•2 min saved

The Tully Monster Mystery: A 75-Year Enigma Deepens.

Japanese scientists claim their 3D scans of Tully monster fossils rule out the vertebrate hypothesis, ending a decadeslong scientific debate over whether the creature should be classified as a vertebrate or invertebrate. Tully monster fossils have several unique features, including an elongated, flexible proboscis and outward-protruding eyes on stalks. The strongest case for classifying Tully as a vertebrate rested on a pair of 2016 papers, but a 2019 study cast doubt on that conclusion. Tully monsters are only found in the Mazon Creek fossil beds in Illinois.

via Ars Technica|

#fossils #illinois #science

science2 years ago•7 min saved

Unraveling the Enigma of the Tully Monster.

The Tully monster, a 300-million-year-old creature discovered in Illinois, has been a mystery since its discovery. Scientists have tried to classify it as a worm, a lobster, a slug, or a fish, and have flip-flopped between calling it a vertebrate or an invertebrate. Recent papers have suggested it was a vertebrate due to microscopic pigments in its eyes and the presence of a notochord, but a new paper argues it was an invertebrate due to segmentation in its head region. The pursuit of the Tully monster's true role in the story of life on Earth continues.

via Defector|

#fossils #paleontology #science

science2 years ago•6 min saved

Unraveling the Enigma of the Tully Monster

A new study by researchers at the University of Tokyo has claimed that the Tully monster, a mysterious 300-million-year-old sea creature, was definitely an invertebrate and not a vertebrate as previously thought. The creature's body parts once thought to indicate a backbone are not actually as they seemed. The Tully monster had segmentation in its head region that extended from its body, which is not known in any vertebrate lineage, suggesting a nonvertebrate affinity. The identity of the Tully monster is still up in the air, but it could be a nonvertebrate chordate or a protostome.

via Daily Mail|

#evolution #fossils #invertebrate

paleontology2 years ago•4 min saved

Unveiling the Enigmatic Tully Monster: New Revelations

Using 3D imaging technology, a team of researchers in Japan has found that the Tully monster, a soft-bodied marine animal that lived 300 million years ago, was not a vertebrate, as previously hypothesized. The team studied more than 150 fossilized Tully monsters and other varied animal fossils from Mazon Creek, Illinois, and found that the Tully monster had segmentation in its head region that extended from its body, a characteristic not known in any vertebrate lineage. The next step is to determine what group of organisms it does belong to, possibly a nonvertebrate chordate or some sort of protostome.

via Phys.org|

#3d-imaging #evolutionary-history #fossils