Researchers discover tapeworm eggs in 270-million-year-old shark poop.
|Science Recorder Pro|
|Free trial. No ads. Exclusive interviews. Access to all articles. Just $19.99/yr. Subscribe|
Researchers from the Federal University of Rio Grande, Brazil, have discovered a cluster of ancient tapeworm eggs in 270-million-year-old fossilized shark feces. This findings suggests that intestinal parasites in vertebrates are much older than previously thought.
LiveScience reports that tapeworms attach to the inner walls of the intestines of vertebrates. When tapeworms mature, they let loose their eggs in the feces of their hosts.