Top Results for Tooth Whorl
Helicoprion is an extinct genus of shark-like cartilaginous fish that lived during the Permian period, first named in 1899. Belonging to the order Eugeneodontida, this marine predator is famous for its bizarre anatomical feature: a symphyseal tooth whorl arranged in a continuous spiral. Because thei...
Why this score
Spiral tooth whorl is globally famous, extraordinary fossil mystery and strong public fascination.
Scoring methodology
Helicoprion bessonowi was a Permian eugeneodont, an extinct cartilaginous fish related to sharks and chimaeras. Alexander Karpinsky named it in 1899 from a distinctive spiral arrangement of fossil teeth found in the Ural region of Russia. The position of this tooth whorl was debated for decades, but...
Why this score
Highly distinctive tooth-whorl fish with long anatomical controversy; strong public and specialist fascination.
Scoring methodology
