Browsing by Subject "Devonian"

Now showing 1 - 3 of 3
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    Extinctions: Past and Present Week 2 - A fossil ecosystem
    (2017-03-17) Chinsamy-Turan, Anusuya; Guess, Rob
    In this video, Professor Anusaya Chinsamy-Turan interviews paleontologist Dr Rob Gess about the Devonian fossil site called Waterloo Farm in Grahamstown, South Africa. He discusses the unique nature of the site given how it contains rare fossils with soft tissue preserved and he goes on to describe several interesting examples of these fossils.
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    Extinctions: Past and Present Week 2 - Setting the stage for the diversity of life
    (2017-03-17) Chinsamy-Turan, Anusuya
    In this video, Professor Anusaya Chinsamy-Turan outlines the topic of two major extinction events that will be discussed in subsequent videos: the end of the Ordovician and the end of the Devonian. She introduces Tetsuto Miyashita who will talk about the diversification of early vertebrates and the origin of jawed fishes. She then introduces Rob Guess who talk talk about the diversity of fossils present in a locality in South Africa.
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    Extinctions: Past and Present Week 2 - The End Devonian extinction event
    (2017-03-17) Chinsamy-Turan, Anusuya
    In this video, Professor Anusaya Chinsamy-Turan discusses the end-Devonian extinction event, which wiped out about 87% of all marine species. She explores the possible causes of this extinction, focusing on the theory of how the expansion of forests played a role. This is video 3 in Week 2 of the Extinctions: Past and Present MOOC.