Earth Sciences alumni Joe Moysiuk and Justin Moon, and Jean-Bernard Caron, a cross-appointed professor to Earth Sciences, discover fossils of the world’s oldest jellyfish and have been receiving media coverage.
Their recent study published in Proceedings of the Royal Society B describes the oldest jellyfish found from ~505–510 million year middle Cambrian rocks of the Burgess Shale. The fossil material deposited in the collections of Invertebrate Palaeontology of the Royal Ontario Museum that contains over 182 exceptionally preserved specimens. Named Burgessomedusa phasmiformis, meaning "the Burgess shale jellyfish with a ghostly figure", had a bell up to 20 centimeters in size and possessed over 90 short, finger-like tentacles.
Read more about the story in this news article.