Scientists have officially found the oldest swimming jellyfish in the fossil record.
. The Royal Ontario Museum now holds close to 200 specimens that were used to learn more about the internal anatomy and tentacles of ancient jellyfish, with some specimens measuring more than seven inches long. Like some modern jellyfish,would also have been capable of free-swimming. Their tentacles would have helped it catch pretty big prey.
Field images of Burgessomedusa phasmiformis jellyfish specimens and of the top arthropod predator Anomalocaris canadensis preserved on the same rock surface. Hammer for scale. CREDIT: Photo by Desmond Collins/ Royal Ontario Museum “Although jellyfish and their relatives are thought to be one of the earliest animal groups to have evolved, they have been remarkably hard to pin down in the Cambrian fossil record. This discovery leaves no doubt they were swimming about at that time,” study co-author and University of Toronto PhD candidate Joe MoysiukThis study uses fossil specimens that were discovered at the Burgess Shale during the late 1980s and 1990s.
was much more complex than paleontologists previously believed, and the large swimming arthropods of the time likeItalian chefs are cooking up a solution to booming jellyfish populationsOne of the more gnarly parts of the complex life cycle of Cnidarians is that they can have more than one body form. A vase-shaped and non-free swimming body is
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