Tully Monster Fossil Still Defies Classification After Decades of Research

Published on 2 May 2026

It looks like two animal types at once

Discovered in Illinois in 1958, the Tully Monster has kept paleontologists guessing ever since. Its strange anatomy won’t fit neatly as a vertebrate or an invertebrate, and studies using different methods have produced conflicting evolutionary placements. With no single answer yet, the fossil remains a vivid example of how scientific conclusions can shift as evidence and techniques evolve.

Found in 1958, the Tully Monster still lacks clear classification
Its features blur the line between vertebrate and invertebrate
Different research methods have yielded competing evolutionary theories
The ongoing debate highlights how paleontology revises itself

#fossils #science #paleontology #evolution

Read the full story at The Economic Times

This summarization was done by Beige for a story published on The Economic Times

Tully Monster Fossil Still Defies Classification After Decades of Research

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