Palaeocast

A free webseries exploring the fossil record and the evolution of life on Earth.

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Episode 29B: Medusae


One of the longest-ranging and outwardly primitive-looking groups of animals on the planet are the Medusozoa. In consisting of around 95% water, it may be surprising to know that there is a fossil record of jellyfish, however how does one differentiate their fossils from other abiotic sedimentary structures when both look like sub-spherical blobs?

 

In this episode we speak to Graham Young, Curator of Geology and Paleontology at The Manitoba Museum, Canada, who addressed the identification of jellyfish fossils in a recent paper Young & Hagadorn 2010 The fossil record of cnidarian medusae.


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 June 15, 2014  41m