Tapeworm eggs discovered in 270 million year old fossil shark feces
Wednesday, January 30, 2013 - 17:30
in Paleontology & Archaeology
A cluster of tapeworm eggs discovered in 270-million-year-old fossilized shark feces suggests that intestinal parasites in vertebrates are much older than previously known, according to research published January 30 in the open access journal PLOS ONE by Paula Dentzien-Dias and colleagues from the Federal University of Rio Grande, Brazil.