Topic: “Enigmatic worms from the Burgess Shale reveal a novel symbiosis.”

Presented by: Paleontologist, Dr. Karma Nanglu, of the Smithsonian Institution.

Excerpt from 5/7/16 New York Times article: “Karma Nanglu, a paleobiologist and graduate student at the University of Toronto, was exploring the Burgess Shale Formation in the Canadian Rockies with his colleagues when they uncovered several fossilized tubes in slabs of rocks. Looking closer, they noticed that the cylinders weren’t empty.” “You pull out a fossil fresh from the rock, wipe it off and you can clearly see the worm preserved inside the tube,” he (Nanglu) said. “It was pretty exciting.”

A fossil of Oesia disjuncta, a 500-million-year-old sea worm.

Credit: Jean-Bernard Caron

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