ADVERTISEMENT
  About the SA Blog Network

Posts Tagged "holocephalan"

Running Ponies

Prehistoric ghost shark Helicoprion’s spiral-toothed jaw explained

Helicoprion

After a century of colourful guesses, CT scans have revealed what’s really going on inside the nightmarish jaw of Helicoprion, a large, 270 million-year-old cartilaginous fish with an elaborate whorl of teeth set in the middle of its mouth. In 1899, Russian geologist, Alexander Petrovich Karpinsky, gave this six-metre-long fish the name Helicoprion, meaning “spiral [...]

Keep reading »

More from Scientific American

Scientific American Holiday Sale

Limited Time Only!

Get 50% off Digital Gifts

Hurry sale ends 12/31 >

X

Email this Article

X