![]() ![]() ![]() He forwarded the rock to the Smithsonian Institution, where it was identified as the teeth of a Helicoprion, an extinct predatory fish that lived about 280 million years ago. They found it and brought it back to camp. “But we went back and spent the day kicking rocks over.” Every bit of rubble on a scree slope looks pretty much like every other bit of rubble. The next day his adviser, Gil Mull, arrived from the University of Alaska Fairbanks and, hearing about the fossil, suggested they take another look. This thing, whatever it was, had dropped from its original location onto a steep scree slope of mixed rock. ![]() Fossils were part of the evidence he took under consideration, but they were not very helpful when found out of place. Glenn’s project involved mapping the convoluted “jelly roll” of geological formations in the Brooks Range. “I don’t have much of a background in paleontology,” Glenn told this year’s meeting of the Geological Society of America in Anchorage on May 13. It consisted of a series of points arranged in a spiral, like the shell of a snail. In 1986, Richard Glenn, a 23-year-old geology student from Barrow, spotted an odd shape in a foot-long chunk of rock near Atigun Gorge. Story courtesy of Alaska Dispatch News and Alaska Sealife Center Summer of Sharks Exhibit Alaska fossil of the bizarre ‘buzz saw’ shark, lost for 29 years, goes on display at the Alaska SeaLife Center ![]()
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